238639890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 581644800

約数和(自身を除く): 343004910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 197, 271, 298, 394, 447, 542, 591, 745, 813, 894, 985, 1182, 1355, 1490, 1626, 1970, 2235, 2710, 2955, 4065, 4470, 5910, 8130, 29353, 40379, 53387, 58706, 80758, 88059, 106774, 121137, 146765, 160161, 176118, 201895, 242274, 266935, 293530, 320322, 403790, 440295, 533870, 605685, 800805, 880590, 1211370, 1601610, 7954663, 15909326, 23863989, 39773315, 47727978, 79546630, 119319945, 238639890]

約数ペア:

[(1, 238639890), (2, 119319945), (3, 79546630), (5, 47727978), (6, 39773315), (10, 23863989), (15, 15909326), (30, 7954663), (149, 1601610), (197, 1211370), (271, 880590), (298, 800805), (394, 605685), (447, 533870), (542, 440295), (591, 403790), (745, 320322), (813, 293530), (894, 266935), (985, 242274), (1182, 201895), (1355, 176118), (1490, 160161), (1626, 146765), (1970, 121137), (2235, 106774), (2710, 88059), (2955, 80758), (4065, 58706), (4470, 53387), (5910, 40379), (8130, 29353)]