458920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 1296000

約数和(自身を除く): 837080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 149, 154, 220, 280, 298, 308, 385, 440, 596, 616, 745, 770, 1043, 1192, 1490, 1540, 1639, 2086, 2980, 3080, 3278, 4172, 5215, 5960, 6556, 8195, 8344, 10430, 11473, 13112, 16390, 20860, 22946, 32780, 41720, 45892, 57365, 65560, 91784, 114730, 229460, 458920]

約数ペア:

[(1, 458920), (2, 229460), (4, 114730), (5, 91784), (7, 65560), (8, 57365), (10, 45892), (11, 41720), (14, 32780), (20, 22946), (22, 20860), (28, 16390), (35, 13112), (40, 11473), (44, 10430), (55, 8344), (56, 8195), (70, 6556), (77, 5960), (88, 5215), (110, 4172), (140, 3278), (149, 3080), (154, 2980), (220, 2086), (280, 1639), (298, 1540), (308, 1490), (385, 1192), (440, 1043), (596, 770), (616, 745)]