620831960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{3559}}^1$

素因数の和:3673

約数の個数: 96

約数和(自身を含む): 1643652000

約数和(自身を除く): 1022820040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 89, 98, 140, 178, 196, 245, 280, 356, 392, 445, 490, 623, 712, 890, 980, 1246, 1780, 1960, 2492, 3115, 3559, 3560, 4361, 4984, 6230, 7118, 8722, 12460, 14236, 17444, 17795, 21805, 24913, 24920, 28472, 34888, 35590, 43610, 49826, 71180, 87220, 99652, 124565, 142360, 174391, 174440, 199304, 249130, 316751, 348782, 498260, 633502, 697564, 871955, 996520, 1267004, 1395128, 1583755, 1743910, 2217257, 2534008, 3167510, 3487820, 4434514, 6335020, 6975640, 8869028, 11086285, 12670040, 15520799, 17738056, 22172570, 31041598, 44345140, 62083196, 77603995, 88690280, 124166392, 155207990, 310415980, 620831960]

約数ペア:

[(1, 620831960), (2, 310415980), (4, 155207990), (5, 124166392), (7, 88690280), (8, 77603995), (10, 62083196), (14, 44345140), (20, 31041598), (28, 22172570), (35, 17738056), (40, 15520799), (49, 12670040), (56, 11086285), (70, 8869028), (89, 6975640), (98, 6335020), (140, 4434514), (178, 3487820), (196, 3167510), (245, 2534008), (280, 2217257), (356, 1743910), (392, 1583755), (445, 1395128), (490, 1267004), (623, 996520), (712, 871955), (890, 697564), (980, 633502), (1246, 498260), (1780, 348782), (1960, 316751), (2492, 249130), (3115, 199304), (3559, 174440), (3560, 174391), (4361, 142360), (4984, 124565), (6230, 99652), (7118, 87220), (8722, 71180), (12460, 49826), (14236, 43610), (17444, 35590), (17795, 34888), (21805, 28472), (24913, 24920)]