2021302430

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{257}}^1\times {\mathrm{2293}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 4261334400

約数和(自身を除く): 2240031970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 257, 343, 490, 514, 686, 1285, 1715, 1799, 2293, 2570, 3430, 3598, 4586, 8995, 11465, 12593, 16051, 17990, 22930, 25186, 32102, 62965, 80255, 88151, 112357, 125930, 160510, 176302, 224714, 440755, 561785, 589301, 786499, 881510, 1123570, 1178602, 1572998, 2946505, 3932495, 4125107, 5893010, 7864990, 8250214, 20625535, 28875749, 41251070, 57751498, 144378745, 202130243, 288757490, 404260486, 1010651215, 2021302430]

約数ペア:

[(1, 2021302430), (2, 1010651215), (5, 404260486), (7, 288757490), (10, 202130243), (14, 144378745), (35, 57751498), (49, 41251070), (70, 28875749), (98, 20625535), (245, 8250214), (257, 7864990), (343, 5893010), (490, 4125107), (514, 3932495), (686, 2946505), (1285, 1572998), (1715, 1178602), (1799, 1123570), (2293, 881510), (2570, 786499), (3430, 589301), (3598, 561785), (4586, 440755), (8995, 224714), (11465, 176302), (12593, 160510), (16051, 125930), (17990, 112357), (22930, 88151), (25186, 80255), (32102, 62965)]