214636380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511039}}^1$

素因数の和:511058

約数の個数: 48

約数和(自身を含む): 686837760

約数和(自身を除く): 472201380

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, 511039, 1022078, 1533117, 2044156, 2555195, 3066234, 3577273, 5110390, 6132468, 7154546, 7665585, 10220780, 10731819, 14309092, 15331170, 17886365, 21463638, 30662340, 35772730, 42927276, 53659095, 71545460, 107318190, 214636380]

約数ペア:

[(1, 214636380), (2, 107318190), (3, 71545460), (4, 53659095), (5, 42927276), (6, 35772730), (7, 30662340), (10, 21463638), (12, 17886365), (14, 15331170), (15, 14309092), (20, 10731819), (21, 10220780), (28, 7665585), (30, 7154546), (35, 6132468), (42, 5110390), (60, 3577273), (70, 3066234), (84, 2555195), (105, 2044156), (140, 1533117), (210, 1022078), (420, 511039)]