415702900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{661}}^1$

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 953862560

約数和(自身を除く): 538159660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 331, 380, 475, 661, 662, 950, 1322, 1324, 1655, 1900, 2644, 3305, 3310, 6289, 6610, 6620, 8275, 12559, 12578, 13220, 16525, 16550, 25118, 25156, 31445, 33050, 33100, 50236, 62795, 62890, 66100, 125590, 125780, 157225, 218791, 251180, 313975, 314450, 437582, 627950, 628900, 875164, 1093955, 1255900, 2187910, 4157029, 4375820, 5469775, 8314058, 10939550, 16628116, 20785145, 21879100, 41570290, 83140580, 103925725, 207851450, 415702900]

約数ペア:

[(1, 415702900), (2, 207851450), (4, 103925725), (5, 83140580), (10, 41570290), (19, 21879100), (20, 20785145), (25, 16628116), (38, 10939550), (50, 8314058), (76, 5469775), (95, 4375820), (100, 4157029), (190, 2187910), (331, 1255900), (380, 1093955), (475, 875164), (661, 628900), (662, 627950), (950, 437582), (1322, 314450), (1324, 313975), (1655, 251180), (1900, 218791), (2644, 157225), (3305, 125780), (3310, 125590), (6289, 66100), (6610, 62890), (6620, 62795), (8275, 50236), (12559, 33100), (12578, 33050), (13220, 31445), (16525, 25156), (16550, 25118)]