389982420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{9461}}^1$

素因数の和:9705

約数の個数: 72

約数和(自身を含む): 1188237960

約数和(自身を除く): 798255540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6870, 8244, 9461, 10305, 13740, 18922, 20610, 28383, 37844, 41220, 47305, 56766, 85149, 94610, 113532, 141915, 170298, 189220, 283830, 340596, 425745, 567660, 851490, 1702980, 2166569, 4333138, 6499707, 8666276, 10832845, 12999414, 19499121, 21665690, 25998828, 32498535, 38998242, 43331380, 64997070, 77996484, 97495605, 129994140, 194991210, 389982420]

約数ペア:

[(1, 389982420), (2, 194991210), (3, 129994140), (4, 97495605), (5, 77996484), (6, 64997070), (9, 43331380), (10, 38998242), (12, 32498535), (15, 25998828), (18, 21665690), (20, 19499121), (30, 12999414), (36, 10832845), (45, 8666276), (60, 6499707), (90, 4333138), (180, 2166569), (229, 1702980), (458, 851490), (687, 567660), (916, 425745), (1145, 340596), (1374, 283830), (2061, 189220), (2290, 170298), (2748, 141915), (3435, 113532), (4122, 94610), (4580, 85149), (6870, 56766), (8244, 47305), (9461, 41220), (10305, 37844), (13740, 28383), (18922, 20610)]