220131275

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{601}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 357414624

約数和(自身を除く): 137283349

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 161, 175, 245, 299, 325, 455, 575, 601, 637, 805, 1127, 1225, 1495, 2093, 2275, 3005, 3185, 4025, 4207, 5635, 7475, 7813, 10465, 13823, 14651, 15025, 15925, 21035, 28175, 29449, 39065, 52325, 54691, 69115, 73255, 96761, 105175, 147245, 179699, 195325, 273455, 345575, 366275, 382837, 483805, 677327, 736225, 898495, 1257893, 1367275, 1914185, 2419025, 3386635, 4492475, 6289465, 8805251, 9570925, 16933175, 31447325, 44026255, 220131275]

約数ペア:

[(1, 220131275), (5, 44026255), (7, 31447325), (13, 16933175), (23, 9570925), (25, 8805251), (35, 6289465), (49, 4492475), (65, 3386635), (91, 2419025), (115, 1914185), (161, 1367275), (175, 1257893), (245, 898495), (299, 736225), (325, 677327), (455, 483805), (575, 382837), (601, 366275), (637, 345575), (805, 273455), (1127, 195325), (1225, 179699), (1495, 147245), (2093, 105175), (2275, 96761), (3005, 73255), (3185, 69115), (4025, 54691), (4207, 52325), (5635, 39065), (7475, 29449), (7813, 28175), (10465, 21035), (13823, 15925), (14651, 15025)]