727980100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{911}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 1619646336

約数和(自身を除く): 891666236

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 131, 244, 262, 305, 524, 610, 655, 911, 1220, 1310, 1525, 1822, 2620, 3050, 3275, 3644, 4555, 6100, 6550, 7991, 9110, 13100, 15982, 18220, 22775, 31964, 39955, 45550, 55571, 79910, 91100, 111142, 119341, 159820, 199775, 222284, 238682, 277855, 399550, 477364, 555710, 596705, 799100, 1111420, 1193410, 1389275, 2386820, 2778550, 2983525, 5557100, 5967050, 7279801, 11934100, 14559602, 29119204, 36399005, 72798010, 145596020, 181995025, 363990050, 727980100]

約数ペア:

[(1, 727980100), (2, 363990050), (4, 181995025), (5, 145596020), (10, 72798010), (20, 36399005), (25, 29119204), (50, 14559602), (61, 11934100), (100, 7279801), (122, 5967050), (131, 5557100), (244, 2983525), (262, 2778550), (305, 2386820), (524, 1389275), (610, 1193410), (655, 1111420), (911, 799100), (1220, 596705), (1310, 555710), (1525, 477364), (1822, 399550), (2620, 277855), (3050, 238682), (3275, 222284), (3644, 199775), (4555, 159820), (6100, 119341), (6550, 111142), (7991, 91100), (9110, 79910), (13100, 55571), (15982, 45550), (18220, 39955), (22775, 31964)]