222812500

素因数分解:

$2^2\times 5^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 96

約数和(自身を含む): 524998656

約数和(自身を除く): 302186156

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 125, 155, 230, 250, 310, 460, 500, 575, 620, 625, 713, 775, 1150, 1250, 1426, 1550, 2300, 2500, 2852, 2875, 3100, 3125, 3565, 3875, 5750, 6250, 7130, 7750, 11500, 12500, 14260, 14375, 15500, 15625, 17825, 19375, 28750, 31250, 35650, 38750, 57500, 62500, 71300, 71875, 77500, 78125, 89125, 96875, 143750, 156250, 178250, 193750, 287500, 312500, 356500, 359375, 387500, 445625, 484375, 718750, 891250, 968750, 1437500, 1782500, 1796875, 1937500, 2228125, 2421875, 3593750, 4456250, 4843750, 7187500, 8912500, 9687500, 11140625, 22281250, 44562500, 55703125, 111406250, 222812500]

約数ペア:

[(1, 222812500), (2, 111406250), (4, 55703125), (5, 44562500), (10, 22281250), (20, 11140625), (23, 9687500), (25, 8912500), (31, 7187500), (46, 4843750), (50, 4456250), (62, 3593750), (92, 2421875), (100, 2228125), (115, 1937500), (124, 1796875), (125, 1782500), (155, 1437500), (230, 968750), (250, 891250), (310, 718750), (460, 484375), (500, 445625), (575, 387500), (620, 359375), (625, 356500), (713, 312500), (775, 287500), (1150, 193750), (1250, 178250), (1426, 156250), (1550, 143750), (2300, 96875), (2500, 89125), (2852, 78125), (2875, 77500), (3100, 71875), (3125, 71300), (3565, 62500), (3875, 57500), (5750, 38750), (6250, 35650), (7130, 31250), (7750, 28750), (11500, 19375), (12500, 17825), (14260, 15625), (14375, 15500)]