30656420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{829}}^1$

素因数の和:924

約数の個数: 36

約数和(自身を含む): 65989980

約数和(自身を除く): 35333560

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 829, 860, 1658, 1849, 3316, 3698, 4145, 7396, 8290, 9245, 16580, 18490, 35647, 36980, 71294, 142588, 178235, 356470, 712940, 1532821, 3065642, 6131284, 7664105, 15328210, 30656420]

約数ペア:

[(1, 30656420), (2, 15328210), (4, 7664105), (5, 6131284), (10, 3065642), (20, 1532821), (43, 712940), (86, 356470), (172, 178235), (215, 142588), (430, 71294), (829, 36980), (860, 35647), (1658, 18490), (1849, 16580), (3316, 9245), (3698, 8290), (4145, 7396)]