253472500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{1913}}^1$

素因数の和:1990

約数の個数: 60

約数和(自身を含む): 565047252

約数和(自身を除く): 311574752

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 500, 530, 625, 1060, 1250, 1325, 1913, 2500, 2650, 3826, 5300, 6625, 7652, 9565, 13250, 19130, 26500, 33125, 38260, 47825, 66250, 95650, 101389, 132500, 191300, 202778, 239125, 405556, 478250, 506945, 956500, 1013890, 1195625, 2027780, 2391250, 2534725, 4782500, 5069450, 10138900, 12673625, 25347250, 50694500, 63368125, 126736250, 253472500]

約数ペア:

[(1, 253472500), (2, 126736250), (4, 63368125), (5, 50694500), (10, 25347250), (20, 12673625), (25, 10138900), (50, 5069450), (53, 4782500), (100, 2534725), (106, 2391250), (125, 2027780), (212, 1195625), (250, 1013890), (265, 956500), (500, 506945), (530, 478250), (625, 405556), (1060, 239125), (1250, 202778), (1325, 191300), (1913, 132500), (2500, 101389), (2650, 95650), (3826, 66250), (5300, 47825), (6625, 38260), (7652, 33125), (9565, 26500), (13250, 19130)]