49802620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 123243120

約数和(自身を除く): 73440500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 571, 623, 890, 980, 1142, 1246, 1780, 2284, 2492, 2855, 3115, 3997, 4361, 5710, 6230, 7994, 8722, 11420, 12460, 15988, 17444, 19985, 21805, 27979, 39970, 43610, 50819, 55958, 79940, 87220, 101638, 111916, 139895, 203276, 254095, 279790, 355733, 508190, 559580, 711466, 1016380, 1422932, 1778665, 2490131, 3557330, 4980262, 7114660, 9960524, 12450655, 24901310, 49802620]

約数ペア:

[(1, 49802620), (2, 24901310), (4, 12450655), (5, 9960524), (7, 7114660), (10, 4980262), (14, 3557330), (20, 2490131), (28, 1778665), (35, 1422932), (49, 1016380), (70, 711466), (89, 559580), (98, 508190), (140, 355733), (178, 279790), (196, 254095), (245, 203276), (356, 139895), (445, 111916), (490, 101638), (571, 87220), (623, 79940), (890, 55958), (980, 50819), (1142, 43610), (1246, 39970), (1780, 27979), (2284, 21805), (2492, 19985), (2855, 17444), (3115, 15988), (3997, 12460), (4361, 11420), (5710, 8722), (6230, 7994)]