2002139620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{3547}}^1$

素因数の和:3749

約数の個数: 72

約数和(自身を含む): 4581347904

約数和(自身を除く): 2579208284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 169, 260, 334, 338, 668, 676, 835, 845, 1670, 1690, 2171, 3340, 3380, 3547, 4342, 7094, 8684, 10855, 14188, 17735, 21710, 28223, 35470, 43420, 46111, 56446, 70940, 92222, 112892, 141115, 184444, 230555, 282230, 461110, 564460, 592349, 599443, 922220, 1184698, 1198886, 2369396, 2397772, 2961745, 2997215, 5923490, 5994430, 7700537, 11846980, 11988860, 15401074, 30802148, 38502685, 77005370, 100106981, 154010740, 200213962, 400427924, 500534905, 1001069810, 2002139620]

約数ペア:

[(1, 2002139620), (2, 1001069810), (4, 500534905), (5, 400427924), (10, 200213962), (13, 154010740), (20, 100106981), (26, 77005370), (52, 38502685), (65, 30802148), (130, 15401074), (167, 11988860), (169, 11846980), (260, 7700537), (334, 5994430), (338, 5923490), (668, 2997215), (676, 2961745), (835, 2397772), (845, 2369396), (1670, 1198886), (1690, 1184698), (2171, 922220), (3340, 599443), (3380, 592349), (3547, 564460), (4342, 461110), (7094, 282230), (8684, 230555), (10855, 184444), (14188, 141115), (17735, 112892), (21710, 92222), (28223, 70940), (35470, 56446), (43420, 46111)]