49938520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 129392640

約数和(自身を除く): 79454120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 31, 34, 40, 46, 62, 68, 85, 92, 103, 115, 124, 136, 155, 170, 184, 206, 230, 248, 310, 340, 391, 412, 460, 515, 527, 620, 680, 713, 782, 824, 920, 1030, 1054, 1240, 1426, 1564, 1751, 1955, 2060, 2108, 2369, 2635, 2852, 3128, 3193, 3502, 3565, 3910, 4120, 4216, 4738, 5270, 5704, 6386, 7004, 7130, 7820, 8755, 9476, 10540, 11845, 12121, 12772, 14008, 14260, 15640, 15965, 17510, 18952, 21080, 23690, 24242, 25544, 28520, 31930, 35020, 40273, 47380, 48484, 54281, 60605, 63860, 70040, 73439, 80546, 94760, 96968, 108562, 121210, 127720, 146878, 161092, 201365, 217124, 242420, 271405, 293756, 322184, 367195, 402730, 434248, 484840, 542810, 587512, 734390, 805460, 1085620, 1248463, 1468780, 1610920, 2171240, 2496926, 2937560, 4993852, 6242315, 9987704, 12484630, 24969260, 49938520]

約数ペア:

[(1, 49938520), (2, 24969260), (4, 12484630), (5, 9987704), (8, 6242315), (10, 4993852), (17, 2937560), (20, 2496926), (23, 2171240), (31, 1610920), (34, 1468780), (40, 1248463), (46, 1085620), (62, 805460), (68, 734390), (85, 587512), (92, 542810), (103, 484840), (115, 434248), (124, 402730), (136, 367195), (155, 322184), (170, 293756), (184, 271405), (206, 242420), (230, 217124), (248, 201365), (310, 161092), (340, 146878), (391, 127720), (412, 121210), (460, 108562), (515, 96968), (527, 94760), (620, 80546), (680, 73439), (713, 70040), (782, 63860), (824, 60605), (920, 54281), (1030, 48484), (1054, 47380), (1240, 40273), (1426, 35020), (1564, 31930), (1751, 28520), (1955, 25544), (2060, 24242), (2108, 23690), (2369, 21080), (2635, 18952), (2852, 17510), (3128, 15965), (3193, 15640), (3502, 14260), (3565, 14008), (3910, 12772), (4120, 12121), (4216, 11845), (4738, 10540), (5270, 9476), (5704, 8755), (6386, 7820), (7004, 7130)]