154736380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1471

約数の個数: 72

約数和(自身を含む): 363610800

約数和(自身を除く): 208874420

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1409, 1445, 1615, 2818, 2890, 3230, 5491, 5636, 5780, 6460, 7045, 10982, 14090, 21964, 23953, 26771, 27455, 28180, 47906, 53542, 54910, 95812, 107084, 109820, 119765, 133855, 239530, 267710, 407201, 455107, 479060, 535420, 814402, 910214, 1628804, 1820428, 2036005, 2275535, 4072010, 4551070, 7736819, 8144020, 9102140, 15473638, 30947276, 38684095, 77368190, 154736380]

約数ペア:

[(1, 154736380), (2, 77368190), (4, 38684095), (5, 30947276), (10, 15473638), (17, 9102140), (19, 8144020), (20, 7736819), (34, 4551070), (38, 4072010), (68, 2275535), (76, 2036005), (85, 1820428), (95, 1628804), (170, 910214), (190, 814402), (289, 535420), (323, 479060), (340, 455107), (380, 407201), (578, 267710), (646, 239530), (1156, 133855), (1292, 119765), (1409, 109820), (1445, 107084), (1615, 95812), (2818, 54910), (2890, 53542), (3230, 47906), (5491, 28180), (5636, 27455), (5780, 26771), (6460, 23953), (7045, 21964), (10982, 14090)]