207638620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47843}}^1$

素因数の和:47890

約数の個数: 48

約数和(自身を含む): 514418688

約数和(自身を除く): 306780068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47843, 95686, 191372, 239215, 334901, 478430, 669802, 956860, 1339604, 1483133, 1674505, 2966266, 3349010, 5932532, 6698020, 7415665, 10381931, 14831330, 20763862, 29662660, 41527724, 51909655, 103819310, 207638620]

約数ペア:

[(1, 207638620), (2, 103819310), (4, 51909655), (5, 41527724), (7, 29662660), (10, 20763862), (14, 14831330), (20, 10381931), (28, 7415665), (31, 6698020), (35, 5932532), (62, 3349010), (70, 2966266), (124, 1674505), (140, 1483133), (155, 1339604), (217, 956860), (310, 669802), (434, 478430), (620, 334901), (868, 239215), (1085, 191372), (2170, 95686), (4340, 47843)]