278716564

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 622460160

約数和(自身を除く): 343743596

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 61, 68, 116, 119, 122, 203, 238, 244, 331, 406, 427, 476, 493, 662, 812, 854, 986, 1037, 1324, 1708, 1769, 1972, 2074, 2317, 3451, 3538, 4148, 4634, 5627, 6902, 7076, 7259, 9268, 9599, 11254, 12383, 13804, 14518, 19198, 20191, 22508, 24766, 29036, 30073, 38396, 39389, 40382, 49532, 60146, 67193, 78778, 80764, 120292, 134386, 141337, 157556, 163183, 210511, 268772, 282674, 326366, 343247, 421022, 565348, 585539, 652732, 686494, 842044, 1142281, 1171078, 1372988, 2284562, 2342156, 2402729, 4098773, 4569124, 4805458, 8197546, 9610916, 9954163, 16395092, 19908326, 39816652, 69679141, 139358282, 278716564]

約数ペア:

[(1, 278716564), (2, 139358282), (4, 69679141), (7, 39816652), (14, 19908326), (17, 16395092), (28, 9954163), (29, 9610916), (34, 8197546), (58, 4805458), (61, 4569124), (68, 4098773), (116, 2402729), (119, 2342156), (122, 2284562), (203, 1372988), (238, 1171078), (244, 1142281), (331, 842044), (406, 686494), (427, 652732), (476, 585539), (493, 565348), (662, 421022), (812, 343247), (854, 326366), (986, 282674), (1037, 268772), (1324, 210511), (1708, 163183), (1769, 157556), (1972, 141337), (2074, 134386), (2317, 120292), (3451, 80764), (3538, 78778), (4148, 67193), (4634, 60146), (5627, 49532), (6902, 40382), (7076, 39389), (7259, 38396), (9268, 30073), (9599, 29036), (11254, 24766), (12383, 22508), (13804, 20191), (14518, 19198)]