148936520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 346040640

約数和(自身を除く): 197104120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 344, 430, 524, 655, 661, 860, 1048, 1310, 1322, 1720, 2620, 2644, 3305, 5240, 5288, 5633, 6610, 11266, 13220, 22532, 26440, 28165, 28423, 45064, 56330, 56846, 86591, 112660, 113692, 142115, 173182, 225320, 227384, 284230, 346364, 432955, 568460, 692728, 865910, 1136920, 1731820, 3463640, 3723413, 7446826, 14893652, 18617065, 29787304, 37234130, 74468260, 148936520]

約数ペア:

[(1, 148936520), (2, 74468260), (4, 37234130), (5, 29787304), (8, 18617065), (10, 14893652), (20, 7446826), (40, 3723413), (43, 3463640), (86, 1731820), (131, 1136920), (172, 865910), (215, 692728), (262, 568460), (344, 432955), (430, 346364), (524, 284230), (655, 227384), (661, 225320), (860, 173182), (1048, 142115), (1310, 113692), (1322, 112660), (1720, 86591), (2620, 56846), (2644, 56330), (3305, 45064), (5240, 28423), (5288, 28165), (5633, 26440), (6610, 22532), (11266, 13220)]