244307440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3851}}^1$

素因数の和:3938

約数の個数: 80

約数和(自身を含む): 621897696

約数和(自身を除く): 377590256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3851, 3965, 4880, 6344, 7702, 7930, 12688, 15404, 15860, 19255, 30808, 31720, 38510, 50063, 61616, 63440, 77020, 100126, 154040, 200252, 234911, 250315, 308080, 400504, 469822, 500630, 801008, 939644, 1001260, 1174555, 1879288, 2002520, 2349110, 3053843, 3758576, 4005040, 4698220, 6107686, 9396440, 12215372, 15269215, 18792880, 24430744, 30538430, 48861488, 61076860, 122153720, 244307440]

約数ペア:

[(1, 244307440), (2, 122153720), (4, 61076860), (5, 48861488), (8, 30538430), (10, 24430744), (13, 18792880), (16, 15269215), (20, 12215372), (26, 9396440), (40, 6107686), (52, 4698220), (61, 4005040), (65, 3758576), (80, 3053843), (104, 2349110), (122, 2002520), (130, 1879288), (208, 1174555), (244, 1001260), (260, 939644), (305, 801008), (488, 500630), (520, 469822), (610, 400504), (793, 308080), (976, 250315), (1040, 234911), (1220, 200252), (1586, 154040), (2440, 100126), (3172, 77020), (3851, 63440), (3965, 61616), (4880, 50063), (6344, 38510), (7702, 31720), (7930, 30808), (12688, 19255), (15404, 15860)]