199065880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 509483520

約数和(自身を除く): 310417640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 53, 62, 65, 104, 106, 124, 130, 155, 212, 233, 248, 260, 265, 310, 403, 424, 466, 520, 530, 620, 689, 806, 932, 1060, 1165, 1240, 1378, 1612, 1643, 1864, 2015, 2120, 2330, 2756, 3029, 3224, 3286, 3445, 4030, 4660, 5512, 6058, 6572, 6890, 7223, 8060, 8215, 9320, 12116, 12349, 13144, 13780, 14446, 15145, 16120, 16430, 21359, 24232, 24698, 27560, 28892, 30290, 32860, 36115, 42718, 49396, 57784, 60580, 61745, 65720, 72230, 85436, 93899, 98792, 106795, 121160, 123490, 144460, 160537, 170872, 187798, 213590, 246980, 288920, 321074, 375596, 382819, 427180, 469495, 493960, 642148, 751192, 765638, 802685, 854360, 938990, 1284296, 1531276, 1605370, 1877980, 1914095, 3062552, 3210740, 3755960, 3828190, 4976647, 6421480, 7656380, 9953294, 15312760, 19906588, 24883235, 39813176, 49766470, 99532940, 199065880]

約数ペア:

[(1, 199065880), (2, 99532940), (4, 49766470), (5, 39813176), (8, 24883235), (10, 19906588), (13, 15312760), (20, 9953294), (26, 7656380), (31, 6421480), (40, 4976647), (52, 3828190), (53, 3755960), (62, 3210740), (65, 3062552), (104, 1914095), (106, 1877980), (124, 1605370), (130, 1531276), (155, 1284296), (212, 938990), (233, 854360), (248, 802685), (260, 765638), (265, 751192), (310, 642148), (403, 493960), (424, 469495), (466, 427180), (520, 382819), (530, 375596), (620, 321074), (689, 288920), (806, 246980), (932, 213590), (1060, 187798), (1165, 170872), (1240, 160537), (1378, 144460), (1612, 123490), (1643, 121160), (1864, 106795), (2015, 98792), (2120, 93899), (2330, 85436), (2756, 72230), (3029, 65720), (3224, 61745), (3286, 60580), (3445, 57784), (4030, 49396), (4660, 42718), (5512, 36115), (6058, 32860), (6572, 30290), (6890, 28892), (7223, 27560), (8060, 24698), (8215, 24232), (9320, 21359), (12116, 16430), (12349, 16120), (13144, 15145), (13780, 14446)]