1387644520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1\times {\mathrm{587}}^1$

素因数の和:1234

約数の個数: 64

約数和(自身を含む): 3161229120

約数和(自身を除く): 1773584600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 523, 565, 587, 904, 1046, 1130, 1174, 2092, 2260, 2348, 2615, 2935, 4184, 4520, 4696, 5230, 5870, 10460, 11740, 20920, 23480, 59099, 66331, 118198, 132662, 236396, 265324, 295495, 307001, 331655, 472792, 530648, 590990, 614002, 663310, 1181980, 1228004, 1326620, 1535005, 2363960, 2456008, 2653240, 3070010, 6140020, 12280040, 34691113, 69382226, 138764452, 173455565, 277528904, 346911130, 693822260, 1387644520]

約数ペア:

[(1, 1387644520), (2, 693822260), (4, 346911130), (5, 277528904), (8, 173455565), (10, 138764452), (20, 69382226), (40, 34691113), (113, 12280040), (226, 6140020), (452, 3070010), (523, 2653240), (565, 2456008), (587, 2363960), (904, 1535005), (1046, 1326620), (1130, 1228004), (1174, 1181980), (2092, 663310), (2260, 614002), (2348, 590990), (2615, 530648), (2935, 472792), (4184, 331655), (4520, 307001), (4696, 295495), (5230, 265324), (5870, 236396), (10460, 132662), (11740, 118198), (20920, 66331), (23480, 59099)]