661343620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{8273}}^1$

素因数の和:8860

約数の個数: 48

約数和(自身を含む): 1590196608

約数和(自身を除く): 928852988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 8273, 11420, 15988, 16546, 19985, 33092, 39970, 41365, 57911, 79940, 82730, 115822, 165460, 231644, 289555, 579110, 1158220, 4723883, 9447766, 18895532, 23619415, 33067181, 47238830, 66134362, 94477660, 132268724, 165335905, 330671810, 661343620]

約数ペア:

[(1, 661343620), (2, 330671810), (4, 165335905), (5, 132268724), (7, 94477660), (10, 66134362), (14, 47238830), (20, 33067181), (28, 23619415), (35, 18895532), (70, 9447766), (140, 4723883), (571, 1158220), (1142, 579110), (2284, 289555), (2855, 231644), (3997, 165460), (5710, 115822), (7994, 82730), (8273, 79940), (11420, 57911), (15988, 41365), (16546, 39970), (19985, 33092)]