421892680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:979

約数の個数: 128

約数和(自身を含む): 1104814080

約数和(自身を除く): 682921400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 47, 55, 88, 92, 94, 110, 115, 184, 188, 220, 230, 235, 253, 376, 440, 460, 470, 506, 517, 887, 920, 940, 1012, 1034, 1081, 1265, 1774, 1880, 2024, 2068, 2162, 2530, 2585, 3548, 4136, 4324, 4435, 5060, 5170, 5405, 7096, 8648, 8870, 9757, 10120, 10340, 10810, 11891, 17740, 19514, 20401, 20680, 21620, 23782, 35480, 39028, 40802, 41689, 43240, 47564, 48785, 59455, 78056, 81604, 83378, 95128, 97570, 102005, 118910, 163208, 166756, 195140, 204010, 208445, 224411, 237820, 333512, 390280, 408020, 416890, 448822, 458579, 475640, 816040, 833780, 897644, 917158, 958847, 1122055, 1667560, 1795288, 1834316, 1917694, 2244110, 2292895, 3668632, 3835388, 4488220, 4585790, 4794235, 7670776, 8976440, 9171580, 9588470, 10547317, 18343160, 19176940, 21094634, 38353880, 42189268, 52736585, 84378536, 105473170, 210946340, 421892680]

約数ペア:

[(1, 421892680), (2, 210946340), (4, 105473170), (5, 84378536), (8, 52736585), (10, 42189268), (11, 38353880), (20, 21094634), (22, 19176940), (23, 18343160), (40, 10547317), (44, 9588470), (46, 9171580), (47, 8976440), (55, 7670776), (88, 4794235), (92, 4585790), (94, 4488220), (110, 3835388), (115, 3668632), (184, 2292895), (188, 2244110), (220, 1917694), (230, 1834316), (235, 1795288), (253, 1667560), (376, 1122055), (440, 958847), (460, 917158), (470, 897644), (506, 833780), (517, 816040), (887, 475640), (920, 458579), (940, 448822), (1012, 416890), (1034, 408020), (1081, 390280), (1265, 333512), (1774, 237820), (1880, 224411), (2024, 208445), (2068, 204010), (2162, 195140), (2530, 166756), (2585, 163208), (3548, 118910), (4136, 102005), (4324, 97570), (4435, 95128), (5060, 83378), (5170, 81604), (5405, 78056), (7096, 59455), (8648, 48785), (8870, 47564), (9757, 43240), (10120, 41689), (10340, 40802), (10810, 39028), (11891, 35480), (17740, 23782), (19514, 21620), (20401, 20680)]