1820702975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 2969809920

約数和(自身を除く): 1149106945

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 179, 221, 263, 325, 425, 455, 595, 895, 1105, 1253, 1315, 1547, 1841, 2275, 2327, 2975, 3043, 3419, 4471, 4475, 5525, 6265, 6575, 7735, 9205, 11635, 15215, 16289, 17095, 21301, 22355, 23933, 31297, 31325, 38675, 39559, 46025, 47077, 58123, 58175, 76075, 81445, 85475, 106505, 111775, 119665, 156485, 197795, 235385, 276913, 290615, 329539, 406861, 407225, 532525, 598325, 612001, 782425, 800309, 988975, 1176925, 1384565, 1453075, 1647695, 2034305, 3060005, 4001545, 4284007, 5602163, 6922825, 8238475, 10171525, 10404017, 15300025, 20007725, 21420035, 28010815, 52020085, 72828119, 107100175, 140054075, 260100425, 364140595, 1820702975]

約数ペア:

[(1, 1820702975), (5, 364140595), (7, 260100425), (13, 140054075), (17, 107100175), (25, 72828119), (35, 52020085), (65, 28010815), (85, 21420035), (91, 20007725), (119, 15300025), (175, 10404017), (179, 10171525), (221, 8238475), (263, 6922825), (325, 5602163), (425, 4284007), (455, 4001545), (595, 3060005), (895, 2034305), (1105, 1647695), (1253, 1453075), (1315, 1384565), (1547, 1176925), (1841, 988975), (2275, 800309), (2327, 782425), (2975, 612001), (3043, 598325), (3419, 532525), (4471, 407225), (4475, 406861), (5525, 329539), (6265, 290615), (6575, 276913), (7735, 235385), (9205, 197795), (11635, 156485), (15215, 119665), (16289, 111775), (17095, 106505), (21301, 85475), (22355, 81445), (23933, 76075), (31297, 58175), (31325, 58123), (38675, 47077), (39559, 46025)]