129999660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{309523}}^1$

素因数の和:309542

約数の個数: 48

約数和(自身を含む): 416000256

約数和(自身を除く): 286000596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 309523, 619046, 928569, 1238092, 1547615, 1857138, 2166661, 3095230, 3714276, 4333322, 4642845, 6190460, 6499983, 8666644, 9285690, 10833305, 12999966, 18571380, 21666610, 25999932, 32499915, 43333220, 64999830, 129999660]

約数ペア:

[(1, 129999660), (2, 64999830), (3, 43333220), (4, 32499915), (5, 25999932), (6, 21666610), (7, 18571380), (10, 12999966), (12, 10833305), (14, 9285690), (15, 8666644), (20, 6499983), (21, 6190460), (28, 4642845), (30, 4333322), (35, 3714276), (42, 3095230), (60, 2166661), (70, 1857138), (84, 1547615), (105, 1238092), (140, 928569), (210, 619046), (420, 309523)]