388909260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69697}}^1$

素因数の和:69743

約数の個数: 72

約数和(自身を含む): 1217763456

約数和(自身を除く): 828854196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 69697, 139394, 209091, 278788, 348485, 418182, 627273, 696970, 836364, 1045455, 1254546, 1393940, 2090910, 2160607, 2509092, 3136365, 4181820, 4321214, 6272730, 6481821, 8642428, 10803035, 12545460, 12963642, 19445463, 21606070, 25927284, 32409105, 38890926, 43212140, 64818210, 77781852, 97227315, 129636420, 194454630, 388909260]

約数ペア:

[(1, 388909260), (2, 194454630), (3, 129636420), (4, 97227315), (5, 77781852), (6, 64818210), (9, 43212140), (10, 38890926), (12, 32409105), (15, 25927284), (18, 21606070), (20, 19445463), (30, 12963642), (31, 12545460), (36, 10803035), (45, 8642428), (60, 6481821), (62, 6272730), (90, 4321214), (93, 4181820), (124, 3136365), (155, 2509092), (180, 2160607), (186, 2090910), (279, 1393940), (310, 1254546), (372, 1045455), (465, 836364), (558, 696970), (620, 627273), (930, 418182), (1116, 348485), (1395, 278788), (1860, 209091), (2790, 139394), (5580, 69697)]