217917440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1677

約数の個数: 96

約数和(自身を含む): 563439240

約数和(自身を除く): 345521800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1637, 1664, 2048, 2080, 2560, 3274, 3328, 4160, 5120, 6548, 6656, 8185, 8320, 10240, 13096, 13312, 16370, 16640, 21281, 26192, 26624, 32740, 33280, 42562, 52384, 65480, 66560, 85124, 104768, 106405, 130960, 133120, 170248, 209536, 212810, 261920, 340496, 419072, 425620, 523840, 680992, 838144, 851240, 1047680, 1361984, 1676288, 1702480, 2095360, 2723968, 3352576, 3404960, 4190720, 5447936, 6809920, 8381440, 10895872, 13619840, 16762880, 21791744, 27239680, 43583488, 54479360, 108958720, 217917440]

約数ペア:

[(1, 217917440), (2, 108958720), (4, 54479360), (5, 43583488), (8, 27239680), (10, 21791744), (13, 16762880), (16, 13619840), (20, 10895872), (26, 8381440), (32, 6809920), (40, 5447936), (52, 4190720), (64, 3404960), (65, 3352576), (80, 2723968), (104, 2095360), (128, 1702480), (130, 1676288), (160, 1361984), (208, 1047680), (256, 851240), (260, 838144), (320, 680992), (416, 523840), (512, 425620), (520, 419072), (640, 340496), (832, 261920), (1024, 212810), (1040, 209536), (1280, 170248), (1637, 133120), (1664, 130960), (2048, 106405), (2080, 104768), (2560, 85124), (3274, 66560), (3328, 65480), (4160, 52384), (5120, 42562), (6548, 33280), (6656, 32740), (8185, 26624), (8320, 26192), (10240, 21281), (13096, 16640), (13312, 16370)]