256025950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 539965440

約数和(自身を除く): 283939490

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 83, 85, 95, 166, 170, 190, 191, 323, 382, 415, 425, 475, 646, 830, 850, 950, 955, 1411, 1577, 1615, 1910, 2075, 2822, 3154, 3230, 3247, 3629, 4150, 4775, 6494, 7055, 7258, 7885, 8075, 9550, 14110, 15770, 15853, 16150, 16235, 18145, 26809, 31706, 32470, 35275, 36290, 39425, 53618, 61693, 70550, 78850, 79265, 81175, 90725, 123386, 134045, 158530, 162350, 181450, 268090, 269501, 301207, 308465, 396325, 539002, 602414, 616930, 670225, 792650, 1340450, 1347505, 1506035, 1542325, 2695010, 3012070, 3084650, 5120519, 6737525, 7530175, 10241038, 13475050, 15060350, 25602595, 51205190, 128012975, 256025950]

約数ペア:

[(1, 256025950), (2, 128012975), (5, 51205190), (10, 25602595), (17, 15060350), (19, 13475050), (25, 10241038), (34, 7530175), (38, 6737525), (50, 5120519), (83, 3084650), (85, 3012070), (95, 2695010), (166, 1542325), (170, 1506035), (190, 1347505), (191, 1340450), (323, 792650), (382, 670225), (415, 616930), (425, 602414), (475, 539002), (646, 396325), (830, 308465), (850, 301207), (950, 269501), (955, 268090), (1411, 181450), (1577, 162350), (1615, 158530), (1910, 134045), (2075, 123386), (2822, 90725), (3154, 81175), (3230, 79265), (3247, 78850), (3629, 70550), (4150, 61693), (4775, 53618), (6494, 39425), (7055, 36290), (7258, 35275), (7885, 32470), (8075, 31706), (9550, 26809), (14110, 18145), (15770, 16235), (15853, 16150)]