1949560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 4821120

約数和(自身を除く): 2871560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 61, 68, 85, 94, 122, 136, 170, 188, 235, 244, 305, 340, 376, 470, 488, 610, 680, 799, 940, 1037, 1220, 1598, 1880, 2074, 2440, 2867, 3196, 3995, 4148, 5185, 5734, 6392, 7990, 8296, 10370, 11468, 14335, 15980, 20740, 22936, 28670, 31960, 41480, 48739, 57340, 97478, 114680, 194956, 243695, 389912, 487390, 974780, 1949560]

約数ペア:

[(1, 1949560), (2, 974780), (4, 487390), (5, 389912), (8, 243695), (10, 194956), (17, 114680), (20, 97478), (34, 57340), (40, 48739), (47, 41480), (61, 31960), (68, 28670), (85, 22936), (94, 20740), (122, 15980), (136, 14335), (170, 11468), (188, 10370), (235, 8296), (244, 7990), (305, 6392), (340, 5734), (376, 5185), (470, 4148), (488, 3995), (610, 3196), (680, 2867), (799, 2440), (940, 2074), (1037, 1880), (1220, 1598)]