400443040

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 974468880

約数和(自身を除く): 574025840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 89, 122, 160, 178, 244, 305, 356, 445, 461, 488, 610, 712, 890, 922, 976, 1220, 1424, 1780, 1844, 1952, 2305, 2440, 2848, 3560, 3688, 4610, 4880, 5429, 7120, 7376, 9220, 9760, 10858, 14240, 14752, 18440, 21716, 27145, 28121, 36880, 41029, 43432, 54290, 56242, 73760, 82058, 86864, 108580, 112484, 140605, 164116, 173728, 205145, 217160, 224968, 281210, 328232, 410290, 434320, 449936, 562420, 656464, 820580, 868640, 899872, 1124840, 1312928, 1641160, 2249680, 2502769, 3282320, 4499360, 5005538, 6564640, 10011076, 12513845, 20022152, 25027690, 40044304, 50055380, 80088608, 100110760, 200221520, 400443040]

約数ペア:

[(1, 400443040), (2, 200221520), (4, 100110760), (5, 80088608), (8, 50055380), (10, 40044304), (16, 25027690), (20, 20022152), (32, 12513845), (40, 10011076), (61, 6564640), (80, 5005538), (89, 4499360), (122, 3282320), (160, 2502769), (178, 2249680), (244, 1641160), (305, 1312928), (356, 1124840), (445, 899872), (461, 868640), (488, 820580), (610, 656464), (712, 562420), (890, 449936), (922, 434320), (976, 410290), (1220, 328232), (1424, 281210), (1780, 224968), (1844, 217160), (1952, 205145), (2305, 173728), (2440, 164116), (2848, 140605), (3560, 112484), (3688, 108580), (4610, 86864), (4880, 82058), (5429, 73760), (7120, 56242), (7376, 54290), (9220, 43432), (9760, 41029), (10858, 36880), (14240, 28121), (14752, 27145), (18440, 21716)]