201212900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1533

約数の個数: 72

約数和(自身を含む): 501634560

約数和(自身を除く): 300421660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 223, 350, 446, 700, 892, 1115, 1289, 1561, 2230, 2578, 3122, 4460, 5156, 5575, 6244, 6445, 7805, 9023, 11150, 12890, 15610, 18046, 22300, 25780, 31220, 32225, 36092, 39025, 45115, 64450, 78050, 90230, 128900, 156100, 180460, 225575, 287447, 451150, 574894, 902300, 1149788, 1437235, 2012129, 2874470, 4024258, 5748940, 7186175, 8048516, 10060645, 14372350, 20121290, 28744700, 40242580, 50303225, 100606450, 201212900]

約数ペア:

[(1, 201212900), (2, 100606450), (4, 50303225), (5, 40242580), (7, 28744700), (10, 20121290), (14, 14372350), (20, 10060645), (25, 8048516), (28, 7186175), (35, 5748940), (50, 4024258), (70, 2874470), (100, 2012129), (140, 1437235), (175, 1149788), (223, 902300), (350, 574894), (446, 451150), (700, 287447), (892, 225575), (1115, 180460), (1289, 156100), (1561, 128900), (2230, 90230), (2578, 78050), (3122, 64450), (4460, 45115), (5156, 39025), (5575, 36092), (6244, 32225), (6445, 31220), (7805, 25780), (9023, 22300), (11150, 18046), (12890, 15610)]