628826320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1117}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 1517188608

約数和(自身を除く): 888362288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 310, 454, 496, 620, 908, 1117, 1135, 1240, 1816, 2234, 2270, 2480, 3632, 4468, 4540, 5585, 7037, 8936, 9080, 11170, 14074, 17872, 18160, 22340, 28148, 34627, 35185, 44680, 56296, 69254, 70370, 89360, 112592, 138508, 140740, 173135, 253559, 277016, 281480, 346270, 507118, 554032, 562960, 692540, 1014236, 1267795, 1385080, 2028472, 2535590, 2770160, 4056944, 5071180, 7860329, 10142360, 15720658, 20284720, 31441316, 39301645, 62882632, 78603290, 125765264, 157206580, 314413160, 628826320]

約数ペア:

[(1, 628826320), (2, 314413160), (4, 157206580), (5, 125765264), (8, 78603290), (10, 62882632), (16, 39301645), (20, 31441316), (31, 20284720), (40, 15720658), (62, 10142360), (80, 7860329), (124, 5071180), (155, 4056944), (227, 2770160), (248, 2535590), (310, 2028472), (454, 1385080), (496, 1267795), (620, 1014236), (908, 692540), (1117, 562960), (1135, 554032), (1240, 507118), (1816, 346270), (2234, 281480), (2270, 277016), (2480, 253559), (3632, 173135), (4468, 140740), (4540, 138508), (5585, 112592), (7037, 89360), (8936, 70370), (9080, 69254), (11170, 56296), (14074, 44680), (17872, 35185), (18160, 34627), (22340, 28148)]