277712680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1499

約数の個数: 128

約数和(自身を含む): 775111680

約数和(自身を除く): 497399000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 82, 85, 119, 136, 140, 164, 170, 205, 238, 280, 287, 328, 340, 410, 476, 574, 595, 680, 697, 820, 952, 1148, 1190, 1394, 1423, 1435, 1640, 2296, 2380, 2788, 2846, 2870, 3485, 4760, 4879, 5576, 5692, 5740, 6970, 7115, 9758, 9961, 11384, 11480, 13940, 14230, 19516, 19922, 24191, 24395, 27880, 28460, 39032, 39844, 48382, 48790, 49805, 56920, 58343, 79688, 96764, 97580, 99610, 116686, 120955, 169337, 193528, 195160, 199220, 233372, 241910, 291715, 338674, 398440, 408401, 466744, 483820, 583430, 677348, 816802, 846685, 967640, 991831, 1166860, 1354696, 1633604, 1693370, 1983662, 2042005, 2333720, 3267208, 3386740, 3967324, 4084010, 4959155, 6773480, 6942817, 7934648, 8168020, 9918310, 13885634, 16336040, 19836620, 27771268, 34714085, 39673240, 55542536, 69428170, 138856340, 277712680]

約数ペア:

[(1, 277712680), (2, 138856340), (4, 69428170), (5, 55542536), (7, 39673240), (8, 34714085), (10, 27771268), (14, 19836620), (17, 16336040), (20, 13885634), (28, 9918310), (34, 8168020), (35, 7934648), (40, 6942817), (41, 6773480), (56, 4959155), (68, 4084010), (70, 3967324), (82, 3386740), (85, 3267208), (119, 2333720), (136, 2042005), (140, 1983662), (164, 1693370), (170, 1633604), (205, 1354696), (238, 1166860), (280, 991831), (287, 967640), (328, 846685), (340, 816802), (410, 677348), (476, 583430), (574, 483820), (595, 466744), (680, 408401), (697, 398440), (820, 338674), (952, 291715), (1148, 241910), (1190, 233372), (1394, 199220), (1423, 195160), (1435, 193528), (1640, 169337), (2296, 120955), (2380, 116686), (2788, 99610), (2846, 97580), (2870, 96764), (3485, 79688), (4760, 58343), (4879, 56920), (5576, 49805), (5692, 48790), (5740, 48382), (6970, 39844), (7115, 39032), (9758, 28460), (9961, 27880), (11384, 24395), (11480, 24191), (13940, 19922), (14230, 19516)]