97887500

素因数分解:

$2^2\times 5^5\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 220485888

約数和(自身を除く): 122598388

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 191, 205, 250, 382, 410, 500, 625, 764, 820, 955, 1025, 1250, 1910, 2050, 2500, 3125, 3820, 4100, 4775, 5125, 6250, 7831, 9550, 10250, 12500, 15662, 19100, 20500, 23875, 25625, 31324, 39155, 47750, 51250, 78310, 95500, 102500, 119375, 128125, 156620, 195775, 238750, 256250, 391550, 477500, 512500, 596875, 783100, 978875, 1193750, 1957750, 2387500, 3915500, 4894375, 9788750, 19577500, 24471875, 48943750, 97887500]

約数ペア:

[(1, 97887500), (2, 48943750), (4, 24471875), (5, 19577500), (10, 9788750), (20, 4894375), (25, 3915500), (41, 2387500), (50, 1957750), (82, 1193750), (100, 978875), (125, 783100), (164, 596875), (191, 512500), (205, 477500), (250, 391550), (382, 256250), (410, 238750), (500, 195775), (625, 156620), (764, 128125), (820, 119375), (955, 102500), (1025, 95500), (1250, 78310), (1910, 51250), (2050, 47750), (2500, 39155), (3125, 31324), (3820, 25625), (4100, 23875), (4775, 20500), (5125, 19100), (6250, 15662), (7831, 12500), (9550, 10250)]