978430850

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{2153}}^1$

素因数の和:2375

約数の個数: 48

約数和(自身を含む): 1862994600

約数和(自身を除く): 884563750

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 149, 298, 305, 610, 745, 1490, 1525, 2153, 3050, 3725, 4306, 7450, 9089, 10765, 18178, 21530, 45445, 53825, 90890, 107650, 131333, 227225, 262666, 320797, 454450, 641594, 656665, 1313330, 1603985, 3207970, 3283325, 6566650, 8019925, 16039850, 19568617, 39137234, 97843085, 195686170, 489215425, 978430850]

約数ペア:

[(1, 978430850), (2, 489215425), (5, 195686170), (10, 97843085), (25, 39137234), (50, 19568617), (61, 16039850), (122, 8019925), (149, 6566650), (298, 3283325), (305, 3207970), (610, 1603985), (745, 1313330), (1490, 656665), (1525, 641594), (2153, 454450), (3050, 320797), (3725, 262666), (4306, 227225), (7450, 131333), (9089, 107650), (10765, 90890), (18178, 53825), (21530, 45445)]