277209820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 642394368

約数和(自身を除く): 365184548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 67, 68, 85, 86, 134, 170, 172, 215, 268, 283, 335, 340, 430, 566, 670, 731, 860, 1132, 1139, 1340, 1415, 1462, 2278, 2830, 2881, 2924, 3655, 4556, 4811, 5660, 5695, 5762, 7310, 9622, 11390, 11524, 12169, 14405, 14620, 18961, 19244, 22780, 24055, 24338, 28810, 37922, 48110, 48676, 48977, 57620, 60845, 75844, 94805, 96220, 97954, 121690, 189610, 195908, 206873, 243380, 244885, 322337, 379220, 413746, 489770, 644674, 815323, 827492, 979540, 1034365, 1289348, 1611685, 1630646, 2068730, 3223370, 3261292, 4076615, 4137460, 6446740, 8153230, 13860491, 16306460, 27720982, 55441964, 69302455, 138604910, 277209820]

約数ペア:

[(1, 277209820), (2, 138604910), (4, 69302455), (5, 55441964), (10, 27720982), (17, 16306460), (20, 13860491), (34, 8153230), (43, 6446740), (67, 4137460), (68, 4076615), (85, 3261292), (86, 3223370), (134, 2068730), (170, 1630646), (172, 1611685), (215, 1289348), (268, 1034365), (283, 979540), (335, 827492), (340, 815323), (430, 644674), (566, 489770), (670, 413746), (731, 379220), (860, 322337), (1132, 244885), (1139, 243380), (1340, 206873), (1415, 195908), (1462, 189610), (2278, 121690), (2830, 97954), (2881, 96220), (2924, 94805), (3655, 75844), (4556, 60845), (4811, 57620), (5660, 48977), (5695, 48676), (5762, 48110), (7310, 37922), (9622, 28810), (11390, 24338), (11524, 24055), (12169, 22780), (14405, 19244), (14620, 18961)]