205786280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 552096000

約数和(自身を除く): 346309720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 283, 343, 371, 392, 424, 490, 530, 566, 686, 742, 980, 1060, 1132, 1372, 1415, 1484, 1715, 1855, 1960, 1981, 2120, 2264, 2597, 2744, 2830, 2968, 3430, 3710, 3962, 5194, 5660, 6860, 7420, 7924, 9905, 10388, 11320, 12985, 13720, 13867, 14840, 14999, 15848, 18179, 19810, 20776, 25970, 27734, 29998, 36358, 39620, 51940, 55468, 59996, 69335, 72716, 74995, 79240, 90895, 97069, 103880, 104993, 110936, 119992, 138670, 145432, 149990, 181790, 194138, 209986, 277340, 299980, 363580, 388276, 419972, 485345, 524965, 554680, 599960, 727160, 734951, 776552, 839944, 970690, 1049930, 1469902, 1941380, 2099860, 2939804, 3674755, 3882760, 4199720, 5144657, 5879608, 7349510, 10289314, 14699020, 20578628, 25723285, 29398040, 41157256, 51446570, 102893140, 205786280]

約数ペア:

[(1, 205786280), (2, 102893140), (4, 51446570), (5, 41157256), (7, 29398040), (8, 25723285), (10, 20578628), (14, 14699020), (20, 10289314), (28, 7349510), (35, 5879608), (40, 5144657), (49, 4199720), (53, 3882760), (56, 3674755), (70, 2939804), (98, 2099860), (106, 1941380), (140, 1469902), (196, 1049930), (212, 970690), (245, 839944), (265, 776552), (280, 734951), (283, 727160), (343, 599960), (371, 554680), (392, 524965), (424, 485345), (490, 419972), (530, 388276), (566, 363580), (686, 299980), (742, 277340), (980, 209986), (1060, 194138), (1132, 181790), (1372, 149990), (1415, 145432), (1484, 138670), (1715, 119992), (1855, 110936), (1960, 104993), (1981, 103880), (2120, 97069), (2264, 90895), (2597, 79240), (2744, 74995), (2830, 72716), (2968, 69335), (3430, 59996), (3710, 55468), (3962, 51940), (5194, 39620), (5660, 36358), (6860, 29998), (7420, 27734), (7924, 25970), (9905, 20776), (10388, 19810), (11320, 18179), (12985, 15848), (13720, 14999), (13867, 14840)]