220165575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 427472640

約数和(自身を除く): 207307065

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 139, 147, 175, 245, 417, 431, 525, 695, 735, 973, 1225, 1293, 2085, 2155, 2919, 3017, 3475, 3675, 4865, 6465, 6811, 9051, 10425, 10775, 14595, 15085, 20433, 21119, 24325, 32325, 34055, 45255, 59909, 63357, 72975, 75425, 102165, 105595, 170275, 179727, 226275, 299545, 316785, 419363, 510825, 527975, 898635, 1258089, 1497725, 1583925, 2096815, 2935541, 4493175, 6290445, 8806623, 10484075, 14677705, 31452225, 44033115, 73388525, 220165575]

約数ペア:

[(1, 220165575), (3, 73388525), (5, 44033115), (7, 31452225), (15, 14677705), (21, 10484075), (25, 8806623), (35, 6290445), (49, 4493175), (75, 2935541), (105, 2096815), (139, 1583925), (147, 1497725), (175, 1258089), (245, 898635), (417, 527975), (431, 510825), (525, 419363), (695, 316785), (735, 299545), (973, 226275), (1225, 179727), (1293, 170275), (2085, 105595), (2155, 102165), (2919, 75425), (3017, 72975), (3475, 63357), (3675, 59909), (4865, 45255), (6465, 34055), (6811, 32325), (9051, 24325), (10425, 21119), (10775, 20433), (14595, 15085)]