194193520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 462827520

約数和(自身を除く): 268634000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 179, 191, 284, 355, 358, 382, 568, 710, 716, 764, 895, 955, 1136, 1420, 1432, 1528, 1790, 1910, 2840, 2864, 3056, 3580, 3820, 5680, 7160, 7640, 12709, 13561, 14320, 15280, 25418, 27122, 34189, 50836, 54244, 63545, 67805, 68378, 101672, 108488, 127090, 135610, 136756, 170945, 203344, 216976, 254180, 271220, 273512, 341890, 508360, 542440, 547024, 683780, 1016720, 1084880, 1367560, 2427419, 2735120, 4854838, 9709676, 12137095, 19419352, 24274190, 38838704, 48548380, 97096760, 194193520]

約数ペア:

[(1, 194193520), (2, 97096760), (4, 48548380), (5, 38838704), (8, 24274190), (10, 19419352), (16, 12137095), (20, 9709676), (40, 4854838), (71, 2735120), (80, 2427419), (142, 1367560), (179, 1084880), (191, 1016720), (284, 683780), (355, 547024), (358, 542440), (382, 508360), (568, 341890), (710, 273512), (716, 271220), (764, 254180), (895, 216976), (955, 203344), (1136, 170945), (1420, 136756), (1432, 135610), (1528, 127090), (1790, 108488), (1910, 101672), (2840, 68378), (2864, 67805), (3056, 63545), (3580, 54244), (3820, 50836), (5680, 34189), (7160, 27122), (7640, 25418), (12709, 15280), (13561, 14320)]