87901000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 229806720

約数和(自身を除く): 141905720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 61, 88, 100, 110, 122, 125, 131, 200, 220, 244, 250, 262, 275, 305, 440, 488, 500, 524, 550, 610, 655, 671, 1000, 1048, 1100, 1220, 1310, 1342, 1375, 1441, 1525, 2200, 2440, 2620, 2684, 2750, 2882, 3050, 3275, 3355, 5240, 5368, 5500, 5764, 6100, 6550, 6710, 7205, 7625, 7991, 11000, 11528, 12200, 13100, 13420, 14410, 15250, 15982, 16375, 16775, 26200, 26840, 28820, 30500, 31964, 32750, 33550, 36025, 39955, 57640, 61000, 63928, 65500, 67100, 72050, 79910, 83875, 87901, 131000, 134200, 144100, 159820, 167750, 175802, 180125, 199775, 288200, 319640, 335500, 351604, 360250, 399550, 439505, 671000, 703208, 720500, 799100, 879010, 998875, 1441000, 1598200, 1758020, 1997750, 2197525, 3516040, 3995500, 4395050, 7991000, 8790100, 10987625, 17580200, 21975250, 43950500, 87901000]

約数ペア:

[(1, 87901000), (2, 43950500), (4, 21975250), (5, 17580200), (8, 10987625), (10, 8790100), (11, 7991000), (20, 4395050), (22, 3995500), (25, 3516040), (40, 2197525), (44, 1997750), (50, 1758020), (55, 1598200), (61, 1441000), (88, 998875), (100, 879010), (110, 799100), (122, 720500), (125, 703208), (131, 671000), (200, 439505), (220, 399550), (244, 360250), (250, 351604), (262, 335500), (275, 319640), (305, 288200), (440, 199775), (488, 180125), (500, 175802), (524, 167750), (550, 159820), (610, 144100), (655, 134200), (671, 131000), (1000, 87901), (1048, 83875), (1100, 79910), (1220, 72050), (1310, 67100), (1342, 65500), (1375, 63928), (1441, 61000), (1525, 57640), (2200, 39955), (2440, 36025), (2620, 33550), (2684, 32750), (2750, 31964), (2882, 30500), (3050, 28820), (3275, 26840), (3355, 26200), (5240, 16775), (5368, 16375), (5500, 15982), (5764, 15250), (6100, 14410), (6550, 13420), (6710, 13100), (7205, 12200), (7625, 11528), (7991, 11000)]