634740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 1814400

約数和(自身を除く): 1179660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 149, 213, 284, 298, 355, 426, 447, 596, 710, 745, 852, 894, 1065, 1420, 1490, 1788, 2130, 2235, 2980, 4260, 4470, 8940, 10579, 21158, 31737, 42316, 52895, 63474, 105790, 126948, 158685, 211580, 317370, 634740]

約数ペア:

[(1, 634740), (2, 317370), (3, 211580), (4, 158685), (5, 126948), (6, 105790), (10, 63474), (12, 52895), (15, 42316), (20, 31737), (30, 21158), (60, 10579), (71, 8940), (142, 4470), (149, 4260), (213, 2980), (284, 2235), (298, 2130), (355, 1788), (426, 1490), (447, 1420), (596, 1065), (710, 894), (745, 852)]