100855720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{7351}}^1$

素因数の和:7383

約数の個数: 64

約数和(自身を含む): 264672000

約数和(自身を除く): 163816280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 7351, 13720, 14702, 29404, 36755, 51457, 58808, 73510, 102914, 147020, 205828, 257285, 294040, 360199, 411656, 514570, 720398, 1029140, 1440796, 1800995, 2058280, 2521393, 2881592, 3601990, 5042786, 7203980, 10085572, 12606965, 14407960, 20171144, 25213930, 50427860, 100855720]

約数ペア:

[(1, 100855720), (2, 50427860), (4, 25213930), (5, 20171144), (7, 14407960), (8, 12606965), (10, 10085572), (14, 7203980), (20, 5042786), (28, 3601990), (35, 2881592), (40, 2521393), (49, 2058280), (56, 1800995), (70, 1440796), (98, 1029140), (140, 720398), (196, 514570), (245, 411656), (280, 360199), (343, 294040), (392, 257285), (490, 205828), (686, 147020), (980, 102914), (1372, 73510), (1715, 58808), (1960, 51457), (2744, 36755), (3430, 29404), (6860, 14702), (7351, 13720)]