87001000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^2\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 215752680

約数和(自身を除く): 128751680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 241, 250, 361, 380, 475, 482, 500, 722, 760, 950, 964, 1000, 1205, 1444, 1805, 1900, 1928, 2375, 2410, 2888, 3610, 3800, 4579, 4750, 4820, 6025, 7220, 9025, 9158, 9500, 9640, 12050, 14440, 18050, 18316, 19000, 22895, 24100, 30125, 36100, 36632, 45125, 45790, 48200, 60250, 72200, 87001, 90250, 91580, 114475, 120500, 174002, 180500, 183160, 228950, 241000, 348004, 361000, 435005, 457900, 572375, 696008, 870010, 915800, 1144750, 1740020, 2175025, 2289500, 3480040, 4350050, 4579000, 8700100, 10875125, 17400200, 21750250, 43500500, 87001000]

約数ペア:

[(1, 87001000), (2, 43500500), (4, 21750250), (5, 17400200), (8, 10875125), (10, 8700100), (19, 4579000), (20, 4350050), (25, 3480040), (38, 2289500), (40, 2175025), (50, 1740020), (76, 1144750), (95, 915800), (100, 870010), (125, 696008), (152, 572375), (190, 457900), (200, 435005), (241, 361000), (250, 348004), (361, 241000), (380, 228950), (475, 183160), (482, 180500), (500, 174002), (722, 120500), (760, 114475), (950, 91580), (964, 90250), (1000, 87001), (1205, 72200), (1444, 60250), (1805, 48200), (1900, 45790), (1928, 45125), (2375, 36632), (2410, 36100), (2888, 30125), (3610, 24100), (3800, 22895), (4579, 19000), (4750, 18316), (4820, 18050), (6025, 14440), (7220, 12050), (9025, 9640), (9158, 9500)]