201745895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 292723200

約数和(自身を除く): 90977305

約数列:

[1, 5, 13, 19, 29, 43, 65, 95, 131, 145, 215, 247, 377, 551, 559, 655, 817, 1235, 1247, 1703, 1885, 2489, 2755, 2795, 3799, 4085, 5633, 6235, 7163, 8515, 10621, 12445, 16211, 18995, 23693, 28165, 32357, 35815, 49387, 53105, 72181, 73229, 81055, 107027, 118465, 161785, 163357, 246935, 308009, 360905, 366145, 535135, 816785, 938353, 1391351, 1540045, 2123641, 3103783, 4691765, 6956755, 10618205, 15518915, 40349179, 201745895]

約数ペア:

[(1, 201745895), (5, 40349179), (13, 15518915), (19, 10618205), (29, 6956755), (43, 4691765), (65, 3103783), (95, 2123641), (131, 1540045), (145, 1391351), (215, 938353), (247, 816785), (377, 535135), (551, 366145), (559, 360905), (655, 308009), (817, 246935), (1235, 163357), (1247, 161785), (1703, 118465), (1885, 107027), (2489, 81055), (2755, 73229), (2795, 72181), (3799, 53105), (4085, 49387), (5633, 35815), (6235, 32357), (7163, 28165), (8515, 23693), (10621, 18995), (12445, 16211)]