9991660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 26127360

約数和(自身を除く): 16135700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 58, 70, 92, 107, 115, 116, 140, 145, 161, 203, 214, 230, 290, 322, 406, 428, 460, 535, 580, 644, 667, 749, 805, 812, 1015, 1070, 1334, 1498, 1610, 2030, 2140, 2461, 2668, 2996, 3103, 3220, 3335, 3745, 4060, 4669, 4922, 6206, 6670, 7490, 9338, 9844, 12305, 12412, 13340, 14980, 15515, 17227, 18676, 21721, 23345, 24610, 31030, 34454, 43442, 46690, 49220, 62060, 68908, 71369, 86135, 86884, 93380, 108605, 142738, 172270, 217210, 285476, 344540, 356845, 434420, 499583, 713690, 999166, 1427380, 1998332, 2497915, 4995830, 9991660]

約数ペア:

[(1, 9991660), (2, 4995830), (4, 2497915), (5, 1998332), (7, 1427380), (10, 999166), (14, 713690), (20, 499583), (23, 434420), (28, 356845), (29, 344540), (35, 285476), (46, 217210), (58, 172270), (70, 142738), (92, 108605), (107, 93380), (115, 86884), (116, 86135), (140, 71369), (145, 68908), (161, 62060), (203, 49220), (214, 46690), (230, 43442), (290, 34454), (322, 31030), (406, 24610), (428, 23345), (460, 21721), (535, 18676), (580, 17227), (644, 15515), (667, 14980), (749, 13340), (805, 12412), (812, 12305), (1015, 9844), (1070, 9338), (1334, 7490), (1498, 6670), (1610, 6206), (2030, 4922), (2140, 4669), (2461, 4060), (2668, 3745), (2996, 3335), (3103, 3220)]