156927066460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{261973}}^1$

素因数の和:262534

約数の個数: 48

約数和(自身を含む): 335632705632

約数和(自身を除く): 178705639172

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 491, 610, 982, 1220, 1964, 2455, 4910, 9820, 29951, 59902, 119804, 149755, 261973, 299510, 523946, 599020, 1047892, 1309865, 2619730, 5239460, 15980353, 31960706, 63921412, 79901765, 128628743, 159803530, 257257486, 319607060, 514514972, 643143715, 1286287430, 2572574860, 7846353323, 15692706646, 31385413292, 39231766615, 78463533230, 156927066460]

約数ペア:

[(1, 156927066460), (2, 78463533230), (4, 39231766615), (5, 31385413292), (10, 15692706646), (20, 7846353323), (61, 2572574860), (122, 1286287430), (244, 643143715), (305, 514514972), (491, 319607060), (610, 257257486), (982, 159803530), (1220, 128628743), (1964, 79901765), (2455, 63921412), (4910, 31960706), (9820, 15980353), (29951, 5239460), (59902, 2619730), (119804, 1309865), (149755, 1047892), (261973, 599020), (299510, 523946)]