29820980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4019}}^1$

素因数の和:4088

約数の個数: 48

約数和(自身を含む): 72938880

約数和(自身を除く): 43117900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 4019, 7420, 8038, 16076, 20095, 28133, 40190, 56266, 80380, 112532, 140665, 213007, 281330, 426014, 562660, 852028, 1065035, 1491049, 2130070, 2982098, 4260140, 5964196, 7455245, 14910490, 29820980]

約数ペア:

[(1, 29820980), (2, 14910490), (4, 7455245), (5, 5964196), (7, 4260140), (10, 2982098), (14, 2130070), (20, 1491049), (28, 1065035), (35, 852028), (53, 562660), (70, 426014), (106, 281330), (140, 213007), (212, 140665), (265, 112532), (371, 80380), (530, 56266), (742, 40190), (1060, 28133), (1484, 20095), (1855, 16076), (3710, 8038), (4019, 7420)]