9940040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 128

約数和(自身を含む): 27216000

約数和(自身を除く): 17275960

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 29, 38, 40, 41, 44, 55, 58, 76, 82, 88, 95, 110, 116, 145, 152, 164, 190, 205, 209, 220, 232, 290, 319, 328, 380, 410, 418, 440, 451, 551, 580, 638, 760, 779, 820, 836, 902, 1045, 1102, 1160, 1189, 1276, 1558, 1595, 1640, 1672, 1804, 2090, 2204, 2255, 2378, 2552, 2755, 3116, 3190, 3608, 3895, 4180, 4408, 4510, 4756, 5510, 5945, 6061, 6232, 6380, 7790, 8360, 8569, 9020, 9512, 11020, 11890, 12122, 12760, 13079, 15580, 17138, 18040, 22040, 22591, 23780, 24244, 26158, 30305, 31160, 34276, 42845, 45182, 47560, 48488, 52316, 60610, 65395, 68552, 85690, 90364, 104632, 112955, 121220, 130790, 171380, 180728, 225910, 242440, 248501, 261580, 342760, 451820, 497002, 523160, 903640, 994004, 1242505, 1988008, 2485010, 4970020, 9940040]

約数ペア:

[(1, 9940040), (2, 4970020), (4, 2485010), (5, 1988008), (8, 1242505), (10, 994004), (11, 903640), (19, 523160), (20, 497002), (22, 451820), (29, 342760), (38, 261580), (40, 248501), (41, 242440), (44, 225910), (55, 180728), (58, 171380), (76, 130790), (82, 121220), (88, 112955), (95, 104632), (110, 90364), (116, 85690), (145, 68552), (152, 65395), (164, 60610), (190, 52316), (205, 48488), (209, 47560), (220, 45182), (232, 42845), (290, 34276), (319, 31160), (328, 30305), (380, 26158), (410, 24244), (418, 23780), (440, 22591), (451, 22040), (551, 18040), (580, 17138), (638, 15580), (760, 13079), (779, 12760), (820, 12122), (836, 11890), (902, 11020), (1045, 9512), (1102, 9020), (1160, 8569), (1189, 8360), (1276, 7790), (1558, 6380), (1595, 6232), (1640, 6061), (1672, 5945), (1804, 5510), (2090, 4756), (2204, 4510), (2255, 4408), (2378, 4180), (2552, 3895), (2755, 3608), (3116, 3190)]