155204084

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^2$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 348626880

約数和(自身を除く): 193422796

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 131, 133, 238, 262, 266, 323, 476, 524, 532, 646, 917, 1292, 1834, 2227, 2261, 2489, 3668, 4454, 4522, 4978, 8908, 9044, 9956, 15589, 17161, 17423, 31178, 34322, 34846, 42313, 62356, 68644, 69692, 84626, 120127, 169252, 240254, 291737, 296191, 326059, 480508, 583474, 592382, 652118, 1166948, 1184764, 1304236, 2042159, 2282413, 4084318, 4564826, 5543003, 8168636, 9129652, 11086006, 22172012, 38801021, 77602042, 155204084]

約数ペア:

[(1, 155204084), (2, 77602042), (4, 38801021), (7, 22172012), (14, 11086006), (17, 9129652), (19, 8168636), (28, 5543003), (34, 4564826), (38, 4084318), (68, 2282413), (76, 2042159), (119, 1304236), (131, 1184764), (133, 1166948), (238, 652118), (262, 592382), (266, 583474), (323, 480508), (476, 326059), (524, 296191), (532, 291737), (646, 240254), (917, 169252), (1292, 120127), (1834, 84626), (2227, 69692), (2261, 68644), (2489, 62356), (3668, 42313), (4454, 34846), (4522, 34322), (4978, 31178), (8908, 17423), (9044, 17161), (9956, 15589)]