217425325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 337478400

約数和(自身を除く): 120053075

約数列:

[1, 5, 13, 17, 23, 25, 29, 59, 65, 85, 115, 145, 221, 295, 299, 325, 377, 391, 425, 493, 575, 667, 725, 767, 1003, 1105, 1357, 1475, 1495, 1711, 1885, 1955, 2465, 3335, 3835, 5015, 5083, 5525, 6409, 6785, 7475, 8555, 8671, 9425, 9775, 11339, 12325, 13039, 16675, 17641, 19175, 22243, 23069, 25075, 25415, 29087, 32045, 33925, 39353, 42775, 43355, 56695, 65195, 88205, 111215, 115345, 127075, 145435, 147407, 160225, 196765, 216775, 283475, 299897, 325975, 378131, 441025, 511589, 556075, 576725, 669001, 727175, 737035, 983825, 1499485, 1890655, 2557945, 3345005, 3685175, 7497425, 8697013, 9453275, 12789725, 16725025, 43485065, 217425325]

約数ペア:

[(1, 217425325), (5, 43485065), (13, 16725025), (17, 12789725), (23, 9453275), (25, 8697013), (29, 7497425), (59, 3685175), (65, 3345005), (85, 2557945), (115, 1890655), (145, 1499485), (221, 983825), (295, 737035), (299, 727175), (325, 669001), (377, 576725), (391, 556075), (425, 511589), (493, 441025), (575, 378131), (667, 325975), (725, 299897), (767, 283475), (1003, 216775), (1105, 196765), (1357, 160225), (1475, 147407), (1495, 145435), (1711, 127075), (1885, 115345), (1955, 111215), (2465, 88205), (3335, 65195), (3835, 56695), (5015, 43355), (5083, 42775), (5525, 39353), (6409, 33925), (6785, 32045), (7475, 29087), (8555, 25415), (8671, 25075), (9425, 23069), (9775, 22243), (11339, 19175), (12325, 17641), (13039, 16675)]