100388440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 231141600

約数和(自身を除く): 130753160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 163, 173, 178, 326, 346, 356, 445, 652, 692, 712, 815, 865, 890, 1304, 1384, 1630, 1730, 1780, 3260, 3460, 3560, 6520, 6920, 14507, 15397, 28199, 29014, 30794, 56398, 58028, 61588, 72535, 76985, 112796, 116056, 123176, 140995, 145070, 153970, 225592, 281990, 290140, 307940, 563980, 580280, 615880, 1127960, 2509711, 5019422, 10038844, 12548555, 20077688, 25097110, 50194220, 100388440]

約数ペア:

[(1, 100388440), (2, 50194220), (4, 25097110), (5, 20077688), (8, 12548555), (10, 10038844), (20, 5019422), (40, 2509711), (89, 1127960), (163, 615880), (173, 580280), (178, 563980), (326, 307940), (346, 290140), (356, 281990), (445, 225592), (652, 153970), (692, 145070), (712, 140995), (815, 123176), (865, 116056), (890, 112796), (1304, 76985), (1384, 72535), (1630, 61588), (1730, 58028), (1780, 56398), (3260, 30794), (3460, 29014), (3560, 28199), (6520, 15397), (6920, 14507)]