397261280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 1070931456

約数和(自身を除く): 673670176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 61, 62, 65, 80, 101, 104, 122, 124, 130, 155, 160, 202, 208, 244, 248, 260, 305, 310, 403, 404, 416, 488, 496, 505, 520, 610, 620, 793, 806, 808, 976, 992, 1010, 1040, 1220, 1240, 1313, 1586, 1612, 1616, 1891, 1952, 2015, 2020, 2080, 2440, 2480, 2626, 3131, 3172, 3224, 3232, 3782, 3965, 4030, 4040, 4880, 4960, 5252, 6161, 6262, 6344, 6448, 6565, 7564, 7930, 8060, 8080, 9455, 9760, 10504, 12322, 12524, 12688, 12896, 13130, 15128, 15655, 15860, 16120, 16160, 18910, 21008, 24583, 24644, 25048, 25376, 26260, 30256, 30805, 31310, 31720, 32240, 37820, 40703, 42016, 49166, 49288, 50096, 52520, 60512, 61610, 62620, 63440, 64480, 75640, 80093, 81406, 98332, 98576, 100192, 105040, 122915, 123220, 125240, 126880, 151280, 160186, 162812, 190991, 196664, 197152, 203515, 210080, 245830, 246440, 250480, 302560, 320372, 325624, 381982, 393328, 400465, 407030, 491660, 492880, 500960, 640744, 651248, 763964, 786656, 800930, 814060, 954955, 983320, 985760, 1281488, 1302496, 1527928, 1601860, 1628120, 1909910, 1966640, 2482883, 2562976, 3055856, 3203720, 3256240, 3819820, 3933280, 4965766, 6111712, 6407440, 6512480, 7639640, 9931532, 12414415, 12814880, 15279280, 19863064, 24828830, 30558560, 39726128, 49657660, 79452256, 99315320, 198630640, 397261280]

約数ペア:

[(1, 397261280), (2, 198630640), (4, 99315320), (5, 79452256), (8, 49657660), (10, 39726128), (13, 30558560), (16, 24828830), (20, 19863064), (26, 15279280), (31, 12814880), (32, 12414415), (40, 9931532), (52, 7639640), (61, 6512480), (62, 6407440), (65, 6111712), (80, 4965766), (101, 3933280), (104, 3819820), (122, 3256240), (124, 3203720), (130, 3055856), (155, 2562976), (160, 2482883), (202, 1966640), (208, 1909910), (244, 1628120), (248, 1601860), (260, 1527928), (305, 1302496), (310, 1281488), (403, 985760), (404, 983320), (416, 954955), (488, 814060), (496, 800930), (505, 786656), (520, 763964), (610, 651248), (620, 640744), (793, 500960), (806, 492880), (808, 491660), (976, 407030), (992, 400465), (1010, 393328), (1040, 381982), (1220, 325624), (1240, 320372), (1313, 302560), (1586, 250480), (1612, 246440), (1616, 245830), (1891, 210080), (1952, 203515), (2015, 197152), (2020, 196664), (2080, 190991), (2440, 162812), (2480, 160186), (2626, 151280), (3131, 126880), (3172, 125240), (3224, 123220), (3232, 122915), (3782, 105040), (3965, 100192), (4030, 98576), (4040, 98332), (4880, 81406), (4960, 80093), (5252, 75640), (6161, 64480), (6262, 63440), (6344, 62620), (6448, 61610), (6565, 60512), (7564, 52520), (7930, 50096), (8060, 49288), (8080, 49166), (9455, 42016), (9760, 40703), (10504, 37820), (12322, 32240), (12524, 31720), (12688, 31310), (12896, 30805), (13130, 30256), (15128, 26260), (15655, 25376), (15860, 25048), (16120, 24644), (16160, 24583), (18910, 21008)]