389240320

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 240

約数和(自身を含む): 1133565840

約数和(自身を除く): 744325520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 107, 112, 116, 128, 140, 145, 160, 196, 203, 214, 224, 232, 245, 256, 280, 290, 320, 392, 406, 428, 448, 464, 490, 512, 535, 560, 580, 640, 749, 784, 812, 856, 896, 928, 980, 1015, 1070, 1120, 1160, 1280, 1421, 1498, 1568, 1624, 1712, 1792, 1856, 1960, 2030, 2140, 2240, 2320, 2560, 2842, 2996, 3103, 3136, 3248, 3424, 3584, 3712, 3745, 3920, 4060, 4280, 4480, 4640, 5243, 5684, 5992, 6206, 6272, 6496, 6848, 7105, 7424, 7490, 7840, 8120, 8560, 8960, 9280, 10486, 11368, 11984, 12412, 12544, 12992, 13696, 14210, 14848, 14980, 15515, 15680, 16240, 17120, 17920, 18560, 20972, 21721, 22736, 23968, 24824, 25088, 25984, 26215, 27392, 28420, 29960, 31030, 31360, 32480, 34240, 37120, 41944, 43442, 45472, 47936, 49648, 51968, 52430, 54784, 56840, 59920, 62060, 62720, 64960, 68480, 74240, 83888, 86884, 90944, 95872, 99296, 103936, 104860, 108605, 113680, 119840, 124120, 125440, 129920, 136960, 152047, 167776, 173768, 181888, 191744, 198592, 209720, 217210, 227360, 239680, 248240, 259840, 273920, 304094, 335552, 347536, 363776, 383488, 397184, 419440, 434420, 454720, 479360, 496480, 519680, 608188, 671104, 695072, 727552, 760235, 794368, 838880, 868840, 909440, 958720, 992960, 1216376, 1342208, 1390144, 1520470, 1588736, 1677760, 1737680, 1818880, 1917440, 1985920, 2432752, 2684416, 2780288, 3040940, 3355520, 3475360, 3637760, 3971840, 4865504, 5560576, 6081880, 6711040, 6950720, 7943680, 9731008, 11121152, 12163760, 13422080, 13901440, 19462016, 24327520, 27802880, 38924032, 48655040, 55605760, 77848064, 97310080, 194620160, 389240320]

約数ペア:

[(1, 389240320), (2, 194620160), (4, 97310080), (5, 77848064), (7, 55605760), (8, 48655040), (10, 38924032), (14, 27802880), (16, 24327520), (20, 19462016), (28, 13901440), (29, 13422080), (32, 12163760), (35, 11121152), (40, 9731008), (49, 7943680), (56, 6950720), (58, 6711040), (64, 6081880), (70, 5560576), (80, 4865504), (98, 3971840), (107, 3637760), (112, 3475360), (116, 3355520), (128, 3040940), (140, 2780288), (145, 2684416), (160, 2432752), (196, 1985920), (203, 1917440), (214, 1818880), (224, 1737680), (232, 1677760), (245, 1588736), (256, 1520470), (280, 1390144), (290, 1342208), (320, 1216376), (392, 992960), (406, 958720), (428, 909440), (448, 868840), (464, 838880), (490, 794368), (512, 760235), (535, 727552), (560, 695072), (580, 671104), (640, 608188), (749, 519680), (784, 496480), (812, 479360), (856, 454720), (896, 434420), (928, 419440), (980, 397184), (1015, 383488), (1070, 363776), (1120, 347536), (1160, 335552), (1280, 304094), (1421, 273920), (1498, 259840), (1568, 248240), (1624, 239680), (1712, 227360), (1792, 217210), (1856, 209720), (1960, 198592), (2030, 191744), (2140, 181888), (2240, 173768), (2320, 167776), (2560, 152047), (2842, 136960), (2996, 129920), (3103, 125440), (3136, 124120), (3248, 119840), (3424, 113680), (3584, 108605), (3712, 104860), (3745, 103936), (3920, 99296), (4060, 95872), (4280, 90944), (4480, 86884), (4640, 83888), (5243, 74240), (5684, 68480), (5992, 64960), (6206, 62720), (6272, 62060), (6496, 59920), (6848, 56840), (7105, 54784), (7424, 52430), (7490, 51968), (7840, 49648), (8120, 47936), (8560, 45472), (8960, 43442), (9280, 41944), (10486, 37120), (11368, 34240), (11984, 32480), (12412, 31360), (12544, 31030), (12992, 29960), (13696, 28420), (14210, 27392), (14848, 26215), (14980, 25984), (15515, 25088), (15680, 24824), (16240, 23968), (17120, 22736), (17920, 21721), (18560, 20972)]