1915732225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{809}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 2651616000

約数和(自身を除く): 735883775

約数列:

[1, 5, 11, 25, 55, 79, 109, 275, 395, 545, 809, 869, 1199, 1975, 2725, 4045, 4345, 5995, 8611, 8899, 20225, 21725, 29975, 43055, 44495, 63911, 88181, 94721, 215275, 222475, 319555, 440905, 473605, 703021, 969991, 1597775, 2204525, 2368025, 3515105, 4849955, 6966299, 17575525, 24249775, 34831495, 76629289, 174157475, 383146445, 1915732225]

約数ペア:

[(1, 1915732225), (5, 383146445), (11, 174157475), (25, 76629289), (55, 34831495), (79, 24249775), (109, 17575525), (275, 6966299), (395, 4849955), (545, 3515105), (809, 2368025), (869, 2204525), (1199, 1597775), (1975, 969991), (2725, 703021), (4045, 473605), (4345, 440905), (5995, 319555), (8611, 222475), (8899, 215275), (20225, 94721), (21725, 88181), (29975, 63911), (43055, 44495)]