28344400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 79709184

約数和(自身を除く): 51364784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 140, 175, 191, 200, 212, 265, 280, 350, 371, 382, 400, 424, 530, 560, 700, 742, 764, 848, 955, 1060, 1325, 1337, 1400, 1484, 1528, 1855, 1910, 2120, 2650, 2674, 2800, 2968, 3056, 3710, 3820, 4240, 4775, 5300, 5348, 5936, 6685, 7420, 7640, 9275, 9550, 10123, 10600, 10696, 13370, 14840, 15280, 18550, 19100, 20246, 21200, 21392, 26740, 29680, 33425, 37100, 38200, 40492, 50615, 53480, 66850, 70861, 74200, 76400, 80984, 101230, 106960, 133700, 141722, 148400, 161968, 202460, 253075, 267400, 283444, 354305, 404920, 506150, 534800, 566888, 708610, 809840, 1012300, 1133776, 1417220, 1771525, 2024600, 2834440, 3543050, 4049200, 5668880, 7086100, 14172200, 28344400]

約数ペア:

[(1, 28344400), (2, 14172200), (4, 7086100), (5, 5668880), (7, 4049200), (8, 3543050), (10, 2834440), (14, 2024600), (16, 1771525), (20, 1417220), (25, 1133776), (28, 1012300), (35, 809840), (40, 708610), (50, 566888), (53, 534800), (56, 506150), (70, 404920), (80, 354305), (100, 283444), (106, 267400), (112, 253075), (140, 202460), (175, 161968), (191, 148400), (200, 141722), (212, 133700), (265, 106960), (280, 101230), (350, 80984), (371, 76400), (382, 74200), (400, 70861), (424, 66850), (530, 53480), (560, 50615), (700, 40492), (742, 38200), (764, 37100), (848, 33425), (955, 29680), (1060, 26740), (1325, 21392), (1337, 21200), (1400, 20246), (1484, 19100), (1528, 18550), (1855, 15280), (1910, 14840), (2120, 13370), (2650, 10696), (2674, 10600), (2800, 10123), (2968, 9550), (3056, 9275), (3710, 7640), (3820, 7420), (4240, 6685), (4775, 5936), (5300, 5348)]