199441025

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 311571576

約数和(自身を除く): 112130551

約数列:

[1, 5, 7, 17, 25, 35, 49, 61, 85, 119, 157, 175, 245, 305, 425, 427, 595, 785, 833, 1037, 1099, 1225, 1525, 2135, 2669, 2975, 2989, 3925, 4165, 5185, 5495, 7259, 7693, 9577, 10675, 13345, 14945, 18683, 20825, 25925, 27475, 36295, 38465, 47885, 50813, 66725, 67039, 74725, 93415, 130781, 162809, 181475, 192325, 239425, 254065, 335195, 467075, 469273, 653905, 814045, 1139663, 1270325, 1675975, 2346365, 3269525, 4070225, 5698315, 7977641, 11731825, 28491575, 39888205, 199441025]

約数ペア:

[(1, 199441025), (5, 39888205), (7, 28491575), (17, 11731825), (25, 7977641), (35, 5698315), (49, 4070225), (61, 3269525), (85, 2346365), (119, 1675975), (157, 1270325), (175, 1139663), (245, 814045), (305, 653905), (425, 469273), (427, 467075), (595, 335195), (785, 254065), (833, 239425), (1037, 192325), (1099, 181475), (1225, 162809), (1525, 130781), (2135, 93415), (2669, 74725), (2975, 67039), (2989, 66725), (3925, 50813), (4165, 47885), (5185, 38465), (5495, 36295), (7259, 27475), (7693, 25925), (9577, 20825), (10675, 18683), (13345, 14945)]