245231490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{13121}}^1$

素因数の和:13227

約数の個数: 64

約数和(自身を含む): 680244480

約数和(自身を除く): 435012990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1869, 2670, 3115, 3738, 6230, 9345, 13121, 18690, 26242, 39363, 65605, 78726, 91847, 131210, 183694, 196815, 275541, 393630, 459235, 551082, 918470, 1167769, 1377705, 2335538, 2755410, 3503307, 5838845, 7006614, 8174383, 11677690, 16348766, 17516535, 24523149, 35033070, 40871915, 49046298, 81743830, 122615745, 245231490]

約数ペア:

[(1, 245231490), (2, 122615745), (3, 81743830), (5, 49046298), (6, 40871915), (7, 35033070), (10, 24523149), (14, 17516535), (15, 16348766), (21, 11677690), (30, 8174383), (35, 7006614), (42, 5838845), (70, 3503307), (89, 2755410), (105, 2335538), (178, 1377705), (210, 1167769), (267, 918470), (445, 551082), (534, 459235), (623, 393630), (890, 275541), (1246, 196815), (1335, 183694), (1869, 131210), (2670, 91847), (3115, 78726), (3738, 65605), (6230, 39363), (9345, 26242), (13121, 18690)]