129220980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{307669}}^1$

素因数の和:307688

約数の個数: 48

約数和(自身を含む): 413508480

約数和(自身を除く): 284287500

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, 307669, 615338, 923007, 1230676, 1538345, 1846014, 2153683, 3076690, 3692028, 4307366, 4615035, 6153380, 6461049, 8614732, 9230070, 10768415, 12922098, 18460140, 21536830, 25844196, 32305245, 43073660, 64610490, 129220980]

約数ペア:

[(1, 129220980), (2, 64610490), (3, 43073660), (4, 32305245), (5, 25844196), (6, 21536830), (7, 18460140), (10, 12922098), (12, 10768415), (14, 9230070), (15, 8614732), (20, 6461049), (21, 6153380), (28, 4615035), (30, 4307366), (35, 3692028), (42, 3076690), (60, 2153683), (70, 1846014), (84, 1538345), (105, 1230676), (140, 923007), (210, 615338), (420, 307669)]