478889740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{69809}}^1$

素因数の和:69839

約数の個数: 48

約数和(自身を含む): 1172808000

約数和(自身を除く): 693918260

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, 69809, 139618, 279236, 349045, 488663, 698090, 977326, 1396180, 1954652, 2443315, 3420641, 4886630, 6841282, 9773260, 13682564, 17103205, 23944487, 34206410, 47888974, 68412820, 95777948, 119722435, 239444870, 478889740]

約数ペア:

[(1, 478889740), (2, 239444870), (4, 119722435), (5, 95777948), (7, 68412820), (10, 47888974), (14, 34206410), (20, 23944487), (28, 17103205), (35, 13682564), (49, 9773260), (70, 6841282), (98, 4886630), (140, 3420641), (196, 2443315), (245, 1954652), (343, 1396180), (490, 977326), (686, 698090), (980, 488663), (1372, 349045), (1715, 279236), (3430, 139618), (6860, 69809)]