501495920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 120

約数和(自身を含む): 1256244000

約数和(自身を除く): 754748080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 199, 218, 272, 289, 340, 398, 436, 545, 578, 680, 796, 872, 995, 1090, 1156, 1360, 1445, 1592, 1744, 1853, 1990, 2180, 2312, 2890, 3184, 3383, 3706, 3980, 4360, 4624, 5780, 6766, 7412, 7960, 8720, 9265, 11560, 13532, 14824, 15920, 16915, 18530, 21691, 23120, 27064, 29648, 31501, 33830, 37060, 43382, 54128, 57511, 63002, 67660, 74120, 86764, 108455, 115022, 126004, 135320, 148240, 157505, 173528, 216910, 230044, 252008, 270640, 287555, 315010, 347056, 368747, 433820, 460088, 504016, 575110, 630020, 737494, 867640, 920176, 1150220, 1260040, 1474988, 1735280, 1843735, 2300440, 2520080, 2949976, 3687470, 4600880, 5899952, 6268699, 7374940, 12537398, 14749880, 25074796, 29499760, 31343495, 50149592, 62686990, 100299184, 125373980, 250747960, 501495920]

約数ペア:

[(1, 501495920), (2, 250747960), (4, 125373980), (5, 100299184), (8, 62686990), (10, 50149592), (16, 31343495), (17, 29499760), (20, 25074796), (34, 14749880), (40, 12537398), (68, 7374940), (80, 6268699), (85, 5899952), (109, 4600880), (136, 3687470), (170, 2949976), (199, 2520080), (218, 2300440), (272, 1843735), (289, 1735280), (340, 1474988), (398, 1260040), (436, 1150220), (545, 920176), (578, 867640), (680, 737494), (796, 630020), (872, 575110), (995, 504016), (1090, 460088), (1156, 433820), (1360, 368747), (1445, 347056), (1592, 315010), (1744, 287555), (1853, 270640), (1990, 252008), (2180, 230044), (2312, 216910), (2890, 173528), (3184, 157505), (3383, 148240), (3706, 135320), (3980, 126004), (4360, 115022), (4624, 108455), (5780, 86764), (6766, 74120), (7412, 67660), (7960, 63002), (8720, 57511), (9265, 54128), (11560, 43382), (13532, 37060), (14824, 33830), (15920, 31501), (16915, 29648), (18530, 27064), (21691, 23120)]