405736370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 822334464

約数和(自身を除く): 416598094

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 83, 130, 155, 166, 310, 403, 415, 806, 830, 1079, 1213, 2015, 2158, 2426, 2573, 4030, 5146, 5395, 6065, 10790, 12130, 12865, 15769, 25730, 31538, 33449, 37603, 66898, 75206, 78845, 100679, 157690, 167245, 188015, 201358, 334490, 376030, 488839, 503395, 977678, 1006790, 1308827, 2444195, 2617654, 3121049, 4888390, 6242098, 6544135, 13088270, 15605245, 31210490, 40573637, 81147274, 202868185, 405736370]

約数ペア:

[(1, 405736370), (2, 202868185), (5, 81147274), (10, 40573637), (13, 31210490), (26, 15605245), (31, 13088270), (62, 6544135), (65, 6242098), (83, 4888390), (130, 3121049), (155, 2617654), (166, 2444195), (310, 1308827), (403, 1006790), (415, 977678), (806, 503395), (830, 488839), (1079, 376030), (1213, 334490), (2015, 201358), (2158, 188015), (2426, 167245), (2573, 157690), (4030, 100679), (5146, 78845), (5395, 75206), (6065, 66898), (10790, 37603), (12130, 33449), (12865, 31538), (15769, 25730)]