78327500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 120

約数和(自身を含む): 192875760

約数和(自身を除く): 114548260

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 97, 100, 125, 170, 190, 194, 250, 323, 340, 380, 388, 425, 475, 485, 500, 625, 646, 850, 950, 970, 1250, 1292, 1615, 1649, 1700, 1843, 1900, 1940, 2125, 2375, 2425, 2500, 3230, 3298, 3686, 4250, 4750, 4850, 6460, 6596, 7372, 8075, 8245, 8500, 9215, 9500, 9700, 10625, 11875, 12125, 16150, 16490, 18430, 21250, 23750, 24250, 31331, 32300, 32980, 36860, 40375, 41225, 42500, 46075, 47500, 48500, 60625, 62662, 80750, 82450, 92150, 121250, 125324, 156655, 161500, 164900, 184300, 201875, 206125, 230375, 242500, 313310, 403750, 412250, 460750, 626620, 783275, 807500, 824500, 921500, 1030625, 1151875, 1566550, 2061250, 2303750, 3133100, 3916375, 4122500, 4607500, 7832750, 15665500, 19581875, 39163750, 78327500]

約数ペア:

[(1, 78327500), (2, 39163750), (4, 19581875), (5, 15665500), (10, 7832750), (17, 4607500), (19, 4122500), (20, 3916375), (25, 3133100), (34, 2303750), (38, 2061250), (50, 1566550), (68, 1151875), (76, 1030625), (85, 921500), (95, 824500), (97, 807500), (100, 783275), (125, 626620), (170, 460750), (190, 412250), (194, 403750), (250, 313310), (323, 242500), (340, 230375), (380, 206125), (388, 201875), (425, 184300), (475, 164900), (485, 161500), (500, 156655), (625, 125324), (646, 121250), (850, 92150), (950, 82450), (970, 80750), (1250, 62662), (1292, 60625), (1615, 48500), (1649, 47500), (1700, 46075), (1843, 42500), (1900, 41225), (1940, 40375), (2125, 36860), (2375, 32980), (2425, 32300), (2500, 31331), (3230, 24250), (3298, 23750), (3686, 21250), (4250, 18430), (4750, 16490), (4850, 16150), (6460, 12125), (6596, 11875), (7372, 10625), (8075, 9700), (8245, 9500), (8500, 9215)]