734857720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{1381}}^1$

素因数の和:1696

約数の個数: 64

約数和(自身を含む): 1692563040

約数和(自身を除く): 957705320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 251, 265, 424, 502, 530, 1004, 1060, 1255, 1381, 2008, 2120, 2510, 2762, 5020, 5524, 6905, 10040, 11048, 13303, 13810, 26606, 27620, 53212, 55240, 66515, 73193, 106424, 133030, 146386, 266060, 292772, 346631, 365965, 532120, 585544, 693262, 731930, 1386524, 1463860, 1733155, 2773048, 2927720, 3466310, 6932620, 13865240, 18371443, 36742886, 73485772, 91857215, 146971544, 183714430, 367428860, 734857720]

約数ペア:

[(1, 734857720), (2, 367428860), (4, 183714430), (5, 146971544), (8, 91857215), (10, 73485772), (20, 36742886), (40, 18371443), (53, 13865240), (106, 6932620), (212, 3466310), (251, 2927720), (265, 2773048), (424, 1733155), (502, 1463860), (530, 1386524), (1004, 731930), (1060, 693262), (1255, 585544), (1381, 532120), (2008, 365965), (2120, 346631), (2510, 292772), (2762, 266060), (5020, 146386), (5524, 133030), (6905, 106424), (10040, 73193), (11048, 66515), (13303, 55240), (13810, 53212), (26606, 27620)]