157338775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 223423200

約数和(自身を除く): 66084425

約数列:

[1, 5, 11, 25, 29, 55, 109, 145, 181, 275, 319, 545, 725, 905, 1199, 1595, 1991, 2725, 3161, 4525, 5249, 5995, 7975, 9955, 15805, 19729, 26245, 29975, 34771, 49775, 57739, 79025, 98645, 131225, 173855, 217019, 288695, 493225, 572141, 869275, 1085095, 1443475, 2860705, 5425475, 6293551, 14303525, 31467755, 157338775]

約数ペア:

[(1, 157338775), (5, 31467755), (11, 14303525), (25, 6293551), (29, 5425475), (55, 2860705), (109, 1443475), (145, 1085095), (181, 869275), (275, 572141), (319, 493225), (545, 288695), (725, 217019), (905, 173855), (1199, 131225), (1595, 98645), (1991, 79025), (2725, 57739), (3161, 49775), (4525, 34771), (5249, 29975), (5995, 26245), (7975, 19729), (9955, 15805)]