220331916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5569}}^1$

素因数の和:5743

約数の個数: 72

約数和(自身を含む): 640683680

約数和(自身を除く): 420351764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5569, 5652, 6594, 9891, 11138, 13188, 16707, 19782, 22276, 33414, 38983, 39564, 50121, 66828, 77966, 100242, 116949, 155932, 200484, 233898, 350847, 467796, 701694, 874333, 1403388, 1748666, 2622999, 3497332, 5245998, 6120331, 7868997, 10491996, 12240662, 15737994, 18360993, 24481324, 31475988, 36721986, 55082979, 73443972, 110165958, 220331916]

約数ペア:

[(1, 220331916), (2, 110165958), (3, 73443972), (4, 55082979), (6, 36721986), (7, 31475988), (9, 24481324), (12, 18360993), (14, 15737994), (18, 12240662), (21, 10491996), (28, 7868997), (36, 6120331), (42, 5245998), (63, 3497332), (84, 2622999), (126, 1748666), (157, 1403388), (252, 874333), (314, 701694), (471, 467796), (628, 350847), (942, 233898), (1099, 200484), (1413, 155932), (1884, 116949), (2198, 100242), (2826, 77966), (3297, 66828), (4396, 50121), (5569, 39564), (5652, 38983), (6594, 33414), (9891, 22276), (11138, 19782), (13188, 16707)]