287789740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9473}}^1$

素因数の和:9527

約数の個数: 72

約数和(自身を含む): 725784192

約数和(自身を除く): 437994452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 6076, 7595, 9473, 15190, 18946, 30380, 37892, 47365, 66311, 94730, 132622, 189460, 265244, 293663, 331555, 464177, 587326, 663110, 928354, 1174652, 1326220, 1468315, 1856708, 2055641, 2320885, 2936630, 4111282, 4641770, 5873260, 8222564, 9283540, 10278205, 14389487, 20556410, 28778974, 41112820, 57557948, 71947435, 143894870, 287789740]

約数ペア:

[(1, 287789740), (2, 143894870), (4, 71947435), (5, 57557948), (7, 41112820), (10, 28778974), (14, 20556410), (20, 14389487), (28, 10278205), (31, 9283540), (35, 8222564), (49, 5873260), (62, 4641770), (70, 4111282), (98, 2936630), (124, 2320885), (140, 2055641), (155, 1856708), (196, 1468315), (217, 1326220), (245, 1174652), (310, 928354), (434, 663110), (490, 587326), (620, 464177), (868, 331555), (980, 293663), (1085, 265244), (1519, 189460), (2170, 132622), (3038, 94730), (4340, 66311), (6076, 47365), (7595, 37892), (9473, 30380), (15190, 18946)]