201719875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 310542336

約数和(自身を除く): 108822461

約数列:

[1, 5, 7, 17, 25, 35, 71, 85, 119, 125, 175, 191, 355, 425, 497, 595, 875, 955, 1207, 1337, 1775, 2125, 2485, 2975, 3247, 4775, 6035, 6685, 8449, 8875, 12425, 13561, 14875, 16235, 22729, 23875, 30175, 33425, 42245, 62125, 67805, 81175, 94927, 113645, 150875, 167125, 211225, 230537, 339025, 405875, 474635, 568225, 1056125, 1152685, 1613759, 1695125, 2373175, 2841125, 5763425, 8068795, 11865875, 28817125, 40343975, 201719875]

約数ペア:

[(1, 201719875), (5, 40343975), (7, 28817125), (17, 11865875), (25, 8068795), (35, 5763425), (71, 2841125), (85, 2373175), (119, 1695125), (125, 1613759), (175, 1152685), (191, 1056125), (355, 568225), (425, 474635), (497, 405875), (595, 339025), (875, 230537), (955, 211225), (1207, 167125), (1337, 150875), (1775, 113645), (2125, 94927), (2485, 81175), (2975, 67805), (3247, 62125), (4775, 42245), (6035, 33425), (6685, 30175), (8449, 23875), (8875, 22729), (12425, 16235), (13561, 14875)]