205910295

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 354585600

約数和(自身を除く): 148675305

約数列:

[1, 3, 5, 15, 29, 59, 71, 87, 113, 145, 177, 213, 295, 339, 355, 435, 565, 885, 1065, 1695, 1711, 2059, 3277, 4189, 5133, 6177, 6667, 8023, 8555, 9831, 10295, 12567, 16385, 20001, 20945, 24069, 25665, 30885, 33335, 40115, 49155, 62835, 100005, 120345, 121481, 193343, 232667, 364443, 473357, 580029, 607405, 698001, 966715, 1163335, 1420071, 1822215, 2366785, 2900145, 3490005, 7100355, 13727353, 41182059, 68636765, 205910295]

約数ペア:

[(1, 205910295), (3, 68636765), (5, 41182059), (15, 13727353), (29, 7100355), (59, 3490005), (71, 2900145), (87, 2366785), (113, 1822215), (145, 1420071), (177, 1163335), (213, 966715), (295, 698001), (339, 607405), (355, 580029), (435, 473357), (565, 364443), (885, 232667), (1065, 193343), (1695, 121481), (1711, 120345), (2059, 100005), (3277, 62835), (4189, 49155), (5133, 40115), (6177, 33335), (6667, 30885), (8023, 25665), (8555, 24069), (9831, 20945), (10295, 20001), (12567, 16385)]