2141320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 5287680

約数和(自身を除く): 3146360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 67, 68, 85, 94, 134, 136, 170, 188, 235, 268, 335, 340, 376, 470, 536, 670, 680, 799, 940, 1139, 1340, 1598, 1880, 2278, 2680, 3149, 3196, 3995, 4556, 5695, 6298, 6392, 7990, 9112, 11390, 12596, 15745, 15980, 22780, 25192, 31490, 31960, 45560, 53533, 62980, 107066, 125960, 214132, 267665, 428264, 535330, 1070660, 2141320]

約数ペア:

[(1, 2141320), (2, 1070660), (4, 535330), (5, 428264), (8, 267665), (10, 214132), (17, 125960), (20, 107066), (34, 62980), (40, 53533), (47, 45560), (67, 31960), (68, 31490), (85, 25192), (94, 22780), (134, 15980), (136, 15745), (170, 12596), (188, 11390), (235, 9112), (268, 7990), (335, 6392), (340, 6298), (376, 5695), (470, 4556), (536, 3995), (670, 3196), (680, 3149), (799, 2680), (940, 2278), (1139, 1880), (1340, 1598)]