8790100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 21311136

約数和(自身を除く): 12521036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 131, 220, 244, 262, 275, 305, 524, 550, 610, 655, 671, 1100, 1220, 1310, 1342, 1441, 1525, 2620, 2684, 2882, 3050, 3275, 3355, 5764, 6100, 6550, 6710, 7205, 7991, 13100, 13420, 14410, 15982, 16775, 28820, 31964, 33550, 36025, 39955, 67100, 72050, 79910, 87901, 144100, 159820, 175802, 199775, 351604, 399550, 439505, 799100, 879010, 1758020, 2197525, 4395050, 8790100]

約数ペア:

[(1, 8790100), (2, 4395050), (4, 2197525), (5, 1758020), (10, 879010), (11, 799100), (20, 439505), (22, 399550), (25, 351604), (44, 199775), (50, 175802), (55, 159820), (61, 144100), (100, 87901), (110, 79910), (122, 72050), (131, 67100), (220, 39955), (244, 36025), (262, 33550), (275, 31964), (305, 28820), (524, 16775), (550, 15982), (610, 14410), (655, 13420), (671, 13100), (1100, 7991), (1220, 7205), (1310, 6710), (1342, 6550), (1441, 6100), (1525, 5764), (2620, 3355), (2684, 3275), (2882, 3050)]