78773380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11483}}^1$

素因数の和:11513

約数の個数: 48

約数和(自身を含む): 192931200

約数和(自身を除く): 114157820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 11483, 22966, 45932, 57415, 80381, 114830, 160762, 229660, 321524, 401905, 562667, 803810, 1125334, 1607620, 2250668, 2813335, 3938669, 5626670, 7877338, 11253340, 15754676, 19693345, 39386690, 78773380]

約数ペア:

[(1, 78773380), (2, 39386690), (4, 19693345), (5, 15754676), (7, 11253340), (10, 7877338), (14, 5626670), (20, 3938669), (28, 2813335), (35, 2250668), (49, 1607620), (70, 1125334), (98, 803810), (140, 562667), (196, 401905), (245, 321524), (343, 229660), (490, 160762), (686, 114830), (980, 80381), (1372, 57415), (1715, 45932), (3430, 22966), (6860, 11483)]