1078820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1461340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 167, 170, 190, 323, 334, 340, 380, 646, 668, 835, 1292, 1615, 1670, 2839, 3173, 3230, 3340, 5678, 6346, 6460, 11356, 12692, 14195, 15865, 28390, 31730, 53941, 56780, 63460, 107882, 215764, 269705, 539410, 1078820]

約数ペア:

[(1, 1078820), (2, 539410), (4, 269705), (5, 215764), (10, 107882), (17, 63460), (19, 56780), (20, 53941), (34, 31730), (38, 28390), (68, 15865), (76, 14195), (85, 12692), (95, 11356), (167, 6460), (170, 6346), (190, 5678), (323, 3340), (334, 3230), (340, 3173), (380, 2839), (646, 1670), (668, 1615), (835, 1292)]