69940900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 161552160

約数和(自身を除く): 91611260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 262, 281, 380, 475, 524, 562, 655, 950, 1124, 1310, 1405, 1900, 2489, 2620, 2810, 3275, 4978, 5339, 5620, 6550, 7025, 9956, 10678, 12445, 13100, 14050, 21356, 24890, 26695, 28100, 36811, 49780, 53390, 62225, 73622, 106780, 124450, 133475, 147244, 184055, 248900, 266950, 368110, 533900, 699409, 736220, 920275, 1398818, 1840550, 2797636, 3497045, 3681100, 6994090, 13988180, 17485225, 34970450, 69940900]

約数ペア:

[(1, 69940900), (2, 34970450), (4, 17485225), (5, 13988180), (10, 6994090), (19, 3681100), (20, 3497045), (25, 2797636), (38, 1840550), (50, 1398818), (76, 920275), (95, 736220), (100, 699409), (131, 533900), (190, 368110), (262, 266950), (281, 248900), (380, 184055), (475, 147244), (524, 133475), (562, 124450), (655, 106780), (950, 73622), (1124, 62225), (1310, 53390), (1405, 49780), (1900, 36811), (2489, 28100), (2620, 26695), (2810, 24890), (3275, 21356), (4978, 14050), (5339, 13100), (5620, 12445), (6550, 10678), (7025, 9956)]