259288760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3931}}^1$

素因数の和:4056

約数の個数: 64

約数和(自身を含む): 624244320

約数和(自身を除く): 364955560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 485, 680, 776, 970, 1649, 1940, 3298, 3880, 3931, 6596, 7862, 8245, 13192, 15724, 16490, 19655, 31448, 32980, 39310, 65960, 66827, 78620, 133654, 157240, 267308, 334135, 381307, 534616, 668270, 762614, 1336540, 1525228, 1906535, 2673080, 3050456, 3813070, 6482219, 7626140, 12964438, 15252280, 25928876, 32411095, 51857752, 64822190, 129644380, 259288760]

約数ペア:

[(1, 259288760), (2, 129644380), (4, 64822190), (5, 51857752), (8, 32411095), (10, 25928876), (17, 15252280), (20, 12964438), (34, 7626140), (40, 6482219), (68, 3813070), (85, 3050456), (97, 2673080), (136, 1906535), (170, 1525228), (194, 1336540), (340, 762614), (388, 668270), (485, 534616), (680, 381307), (776, 334135), (970, 267308), (1649, 157240), (1940, 133654), (3298, 78620), (3880, 66827), (3931, 65960), (6596, 39310), (7862, 32980), (8245, 31448), (13192, 19655), (15724, 16490)]