280197450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:469

約数の個数: 144

約数和(自身を含む): 818135136

約数和(自身を除く): 537937686

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 211, 225, 227, 234, 325, 390, 422, 450, 454, 585, 633, 650, 681, 975, 1055, 1135, 1170, 1266, 1362, 1899, 1950, 2043, 2110, 2270, 2743, 2925, 2951, 3165, 3405, 3798, 4086, 5275, 5486, 5675, 5850, 5902, 6330, 6810, 8229, 8853, 9495, 10215, 10550, 11350, 13715, 14755, 15825, 16458, 17025, 17706, 18990, 20430, 24687, 26559, 27430, 29510, 31650, 34050, 41145, 44265, 47475, 47897, 49374, 51075, 53118, 68575, 73775, 82290, 88530, 94950, 95794, 102150, 123435, 132795, 137150, 143691, 147550, 205725, 221325, 239485, 246870, 265590, 287382, 411450, 431073, 442650, 478970, 617175, 622661, 663975, 718455, 862146, 1197425, 1234350, 1245322, 1327950, 1436910, 1867983, 2155365, 2394850, 3113305, 3592275, 3735966, 4310730, 5603949, 6226610, 7184550, 9339915, 10776825, 11207898, 15566525, 18679830, 21553650, 28019745, 31133050, 46699575, 56039490, 93399150, 140098725, 280197450]

約数ペア:

[(1, 280197450), (2, 140098725), (3, 93399150), (5, 56039490), (6, 46699575), (9, 31133050), (10, 28019745), (13, 21553650), (15, 18679830), (18, 15566525), (25, 11207898), (26, 10776825), (30, 9339915), (39, 7184550), (45, 6226610), (50, 5603949), (65, 4310730), (75, 3735966), (78, 3592275), (90, 3113305), (117, 2394850), (130, 2155365), (150, 1867983), (195, 1436910), (211, 1327950), (225, 1245322), (227, 1234350), (234, 1197425), (325, 862146), (390, 718455), (422, 663975), (450, 622661), (454, 617175), (585, 478970), (633, 442650), (650, 431073), (681, 411450), (975, 287382), (1055, 265590), (1135, 246870), (1170, 239485), (1266, 221325), (1362, 205725), (1899, 147550), (1950, 143691), (2043, 137150), (2110, 132795), (2270, 123435), (2743, 102150), (2925, 95794), (2951, 94950), (3165, 88530), (3405, 82290), (3798, 73775), (4086, 68575), (5275, 53118), (5486, 51075), (5675, 49374), (5850, 47897), (5902, 47475), (6330, 44265), (6810, 41145), (8229, 34050), (8853, 31650), (9495, 29510), (10215, 27430), (10550, 26559), (11350, 24687), (13715, 20430), (14755, 18990), (15825, 17706), (16458, 17025)]