220310025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 417973248

約数和(自身を除く): 197663223

約数列:

[1, 3, 5, 13, 15, 25, 31, 37, 39, 65, 75, 93, 111, 155, 185, 195, 197, 325, 403, 465, 481, 555, 591, 775, 925, 975, 985, 1147, 1209, 1443, 2015, 2325, 2405, 2561, 2775, 2955, 3441, 4925, 5735, 6045, 6107, 7215, 7289, 7683, 10075, 12025, 12805, 14775, 14911, 17205, 18321, 21867, 28675, 30225, 30535, 36075, 36445, 38415, 44733, 64025, 74555, 79391, 86025, 91605, 94757, 109335, 152675, 182225, 192075, 223665, 225959, 238173, 284271, 372775, 396955, 458025, 473785, 546675, 677877, 1118325, 1129795, 1190865, 1421355, 1984775, 2368925, 2937467, 3389385, 5648975, 5954325, 7106775, 8812401, 14687335, 16946925, 44062005, 73436675, 220310025]

約数ペア:

[(1, 220310025), (3, 73436675), (5, 44062005), (13, 16946925), (15, 14687335), (25, 8812401), (31, 7106775), (37, 5954325), (39, 5648975), (65, 3389385), (75, 2937467), (93, 2368925), (111, 1984775), (155, 1421355), (185, 1190865), (195, 1129795), (197, 1118325), (325, 677877), (403, 546675), (465, 473785), (481, 458025), (555, 396955), (591, 372775), (775, 284271), (925, 238173), (975, 225959), (985, 223665), (1147, 192075), (1209, 182225), (1443, 152675), (2015, 109335), (2325, 94757), (2405, 91605), (2561, 86025), (2775, 79391), (2955, 74555), (3441, 64025), (4925, 44733), (5735, 38415), (6045, 36445), (6107, 36075), (7215, 30535), (7289, 30225), (7683, 28675), (10075, 21867), (12025, 18321), (12805, 17205), (14775, 14911)]