2221115900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{3637}}^1$

素因数の和:3879

約数の個数: 72

約数和(自身を含む): 5001929856

約数和(自身を除く): 2780813956

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 197, 310, 394, 620, 775, 788, 985, 1550, 1970, 3100, 3637, 3940, 4925, 6107, 7274, 9850, 12214, 14548, 18185, 19700, 24428, 30535, 36370, 61070, 72740, 90925, 112747, 122140, 152675, 181850, 225494, 305350, 363700, 450988, 563735, 610700, 716489, 1127470, 1432978, 2254940, 2818675, 2865956, 3582445, 5637350, 7164890, 11274700, 14329780, 17912225, 22211159, 35824450, 44422318, 71648900, 88844636, 111055795, 222111590, 444223180, 555278975, 1110557950, 2221115900]

約数ペア:

[(1, 2221115900), (2, 1110557950), (4, 555278975), (5, 444223180), (10, 222111590), (20, 111055795), (25, 88844636), (31, 71648900), (50, 44422318), (62, 35824450), (100, 22211159), (124, 17912225), (155, 14329780), (197, 11274700), (310, 7164890), (394, 5637350), (620, 3582445), (775, 2865956), (788, 2818675), (985, 2254940), (1550, 1432978), (1970, 1127470), (3100, 716489), (3637, 610700), (3940, 563735), (4925, 450988), (6107, 363700), (7274, 305350), (9850, 225494), (12214, 181850), (14548, 152675), (18185, 122140), (19700, 112747), (24428, 90925), (30535, 72740), (36370, 61070)]