30115820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2417}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 73120320

約数和(自身を除く): 43004500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2417, 2492, 3115, 4834, 6230, 9668, 12085, 12460, 16919, 24170, 33838, 48340, 67676, 84595, 169190, 215113, 338380, 430226, 860452, 1075565, 1505791, 2151130, 3011582, 4302260, 6023164, 7528955, 15057910, 30115820]

約数ペア:

[(1, 30115820), (2, 15057910), (4, 7528955), (5, 6023164), (7, 4302260), (10, 3011582), (14, 2151130), (20, 1505791), (28, 1075565), (35, 860452), (70, 430226), (89, 338380), (140, 215113), (178, 169190), (356, 84595), (445, 67676), (623, 48340), (890, 33838), (1246, 24170), (1780, 16919), (2417, 12460), (2492, 12085), (3115, 9668), (4834, 6230)]