420624680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16879}}^1$

素因数の和:16986

約数の個数: 64

約数和(自身を含む): 1093824000

約数和(自身を除く): 673199320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 12460, 16879, 24920, 33758, 67516, 84395, 118153, 135032, 168790, 236306, 337580, 472612, 590765, 675160, 945224, 1181530, 1502231, 2363060, 3004462, 4726120, 6008924, 7511155, 10515617, 12017848, 15022310, 21031234, 30044620, 42062468, 52578085, 60089240, 84124936, 105156170, 210312340, 420624680]

約数ペア:

[(1, 420624680), (2, 210312340), (4, 105156170), (5, 84124936), (7, 60089240), (8, 52578085), (10, 42062468), (14, 30044620), (20, 21031234), (28, 15022310), (35, 12017848), (40, 10515617), (56, 7511155), (70, 6008924), (89, 4726120), (140, 3004462), (178, 2363060), (280, 1502231), (356, 1181530), (445, 945224), (623, 675160), (712, 590765), (890, 472612), (1246, 337580), (1780, 236306), (2492, 168790), (3115, 135032), (3560, 118153), (4984, 84395), (6230, 67516), (12460, 33758), (16879, 24920)]