42162820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{659}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 101566080

約数和(自身を除く): 59403260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 659, 914, 1318, 1828, 2285, 2636, 3199, 3295, 4570, 4613, 6398, 6590, 9140, 9226, 12796, 13180, 15995, 18452, 23065, 31990, 46130, 63980, 92260, 301163, 602326, 1204652, 1505815, 2108141, 3011630, 4216282, 6023260, 8432564, 10540705, 21081410, 42162820]

約数ペア:

[(1, 42162820), (2, 21081410), (4, 10540705), (5, 8432564), (7, 6023260), (10, 4216282), (14, 3011630), (20, 2108141), (28, 1505815), (35, 1204652), (70, 602326), (140, 301163), (457, 92260), (659, 63980), (914, 46130), (1318, 31990), (1828, 23065), (2285, 18452), (2636, 15995), (3199, 13180), (3295, 12796), (4570, 9226), (4613, 9140), (6398, 6590)]