407484420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{970201}}^1$

素因数の和:970220

約数の個数: 48

約数和(自身を含む): 1303951488

約数和(自身を除く): 896467068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 970201, 1940402, 2910603, 3880804, 4851005, 5821206, 6791407, 9702010, 11642412, 13582814, 14553015, 19404020, 20374221, 27165628, 29106030, 33957035, 40748442, 58212060, 67914070, 81496884, 101871105, 135828140, 203742210, 407484420]

約数ペア:

[(1, 407484420), (2, 203742210), (3, 135828140), (4, 101871105), (5, 81496884), (6, 67914070), (7, 58212060), (10, 40748442), (12, 33957035), (14, 29106030), (15, 27165628), (20, 20374221), (21, 19404020), (28, 14553015), (30, 13582814), (35, 11642412), (42, 9702010), (60, 6791407), (70, 5821206), (84, 4851005), (105, 3880804), (140, 2910603), (210, 1940402), (420, 970201)]