29986040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15299}}^1$

素因数の和:15324

約数の個数: 48

約数和(自身を含む): 78489000

約数和(自身を除く): 48502960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15299, 30598, 61196, 76495, 107093, 122392, 152990, 214186, 305980, 428372, 535465, 611960, 749651, 856744, 1070930, 1499302, 2141860, 2998604, 3748255, 4283720, 5997208, 7496510, 14993020, 29986040]

約数ペア:

[(1, 29986040), (2, 14993020), (4, 7496510), (5, 5997208), (7, 4283720), (8, 3748255), (10, 2998604), (14, 2141860), (20, 1499302), (28, 1070930), (35, 856744), (40, 749651), (49, 611960), (56, 535465), (70, 428372), (98, 305980), (140, 214186), (196, 152990), (245, 122392), (280, 107093), (392, 76495), (490, 61196), (980, 30598), (1960, 15299)]