221796750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 641571840

約数和(自身を除く): 419775090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 83, 105, 125, 150, 166, 175, 210, 249, 250, 350, 375, 415, 498, 509, 525, 581, 750, 830, 875, 1018, 1050, 1162, 1245, 1527, 1743, 1750, 2075, 2490, 2545, 2625, 2905, 3054, 3486, 3563, 4150, 5090, 5250, 5810, 6225, 7126, 7635, 8715, 10375, 10689, 12450, 12725, 14525, 15270, 17430, 17815, 20750, 21378, 25450, 29050, 31125, 35630, 38175, 42247, 43575, 53445, 62250, 63625, 72625, 76350, 84494, 87150, 89075, 106890, 126741, 127250, 145250, 178150, 190875, 211235, 217875, 253482, 267225, 295729, 381750, 422470, 435750, 445375, 534450, 591458, 633705, 887187, 890750, 1056175, 1267410, 1336125, 1478645, 1774374, 2112350, 2672250, 2957290, 3168525, 4435935, 5280875, 6337050, 7393225, 8871870, 10561750, 14786450, 15842625, 22179675, 31685250, 36966125, 44359350, 73932250, 110898375, 221796750]

約数ペア:

[(1, 221796750), (2, 110898375), (3, 73932250), (5, 44359350), (6, 36966125), (7, 31685250), (10, 22179675), (14, 15842625), (15, 14786450), (21, 10561750), (25, 8871870), (30, 7393225), (35, 6337050), (42, 5280875), (50, 4435935), (70, 3168525), (75, 2957290), (83, 2672250), (105, 2112350), (125, 1774374), (150, 1478645), (166, 1336125), (175, 1267410), (210, 1056175), (249, 890750), (250, 887187), (350, 633705), (375, 591458), (415, 534450), (498, 445375), (509, 435750), (525, 422470), (581, 381750), (750, 295729), (830, 267225), (875, 253482), (1018, 217875), (1050, 211235), (1162, 190875), (1245, 178150), (1527, 145250), (1743, 127250), (1750, 126741), (2075, 106890), (2490, 89075), (2545, 87150), (2625, 84494), (2905, 76350), (3054, 72625), (3486, 63625), (3563, 62250), (4150, 53445), (5090, 43575), (5250, 42247), (5810, 38175), (6225, 35630), (7126, 31125), (7635, 29050), (8715, 25450), (10375, 21378), (10689, 20750), (12450, 17815), (12725, 17430), (14525, 15270)]