397319720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 1066867200

約数和(自身を除く): 669547480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 167, 203, 232, 280, 290, 293, 334, 406, 580, 586, 668, 812, 835, 1015, 1160, 1169, 1172, 1336, 1465, 1624, 1670, 2030, 2051, 2338, 2344, 2930, 3340, 4060, 4102, 4676, 4843, 5845, 5860, 6680, 8120, 8204, 8497, 9352, 9686, 10255, 11690, 11720, 16408, 16994, 19372, 20510, 23380, 24215, 33901, 33988, 38744, 41020, 42485, 46760, 48430, 48931, 59479, 67802, 67976, 82040, 84970, 96860, 97862, 118958, 135604, 169505, 169940, 193720, 195724, 237916, 244655, 271208, 297395, 339010, 339880, 342517, 391448, 475832, 489310, 594790, 678020, 685034, 978620, 1189580, 1356040, 1370068, 1418999, 1712585, 1957240, 2379160, 2740136, 2837998, 3425170, 5675996, 6850340, 7094995, 9932993, 11351992, 13700680, 14189990, 19865986, 28379980, 39731972, 49664965, 56759960, 79463944, 99329930, 198659860, 397319720]

約数ペア:

[(1, 397319720), (2, 198659860), (4, 99329930), (5, 79463944), (7, 56759960), (8, 49664965), (10, 39731972), (14, 28379980), (20, 19865986), (28, 14189990), (29, 13700680), (35, 11351992), (40, 9932993), (56, 7094995), (58, 6850340), (70, 5675996), (116, 3425170), (140, 2837998), (145, 2740136), (167, 2379160), (203, 1957240), (232, 1712585), (280, 1418999), (290, 1370068), (293, 1356040), (334, 1189580), (406, 978620), (580, 685034), (586, 678020), (668, 594790), (812, 489310), (835, 475832), (1015, 391448), (1160, 342517), (1169, 339880), (1172, 339010), (1336, 297395), (1465, 271208), (1624, 244655), (1670, 237916), (2030, 195724), (2051, 193720), (2338, 169940), (2344, 169505), (2930, 135604), (3340, 118958), (4060, 97862), (4102, 96860), (4676, 84970), (4843, 82040), (5845, 67976), (5860, 67802), (6680, 59479), (8120, 48931), (8204, 48430), (8497, 46760), (9352, 42485), (9686, 41020), (10255, 38744), (11690, 33988), (11720, 33901), (16408, 24215), (16994, 23380), (19372, 20510)]