291264680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1033}}^1$

素因数の和:1123

約数の個数: 128

約数和(自身を含む): 804038400

約数和(自身を除く): 512773720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 95, 106, 133, 140, 152, 190, 212, 265, 266, 280, 371, 380, 424, 530, 532, 665, 742, 760, 1007, 1033, 1060, 1064, 1330, 1484, 1855, 2014, 2066, 2120, 2660, 2968, 3710, 4028, 4132, 5035, 5165, 5320, 7049, 7231, 7420, 8056, 8264, 10070, 10330, 14098, 14462, 14840, 19627, 20140, 20660, 28196, 28924, 35245, 36155, 39254, 40280, 41320, 54749, 56392, 57848, 70490, 72310, 78508, 98135, 109498, 137389, 140980, 144620, 157016, 196270, 218996, 273745, 274778, 281960, 289240, 383243, 392540, 437992, 547490, 549556, 686945, 766486, 785080, 1040231, 1094980, 1099112, 1373890, 1532972, 1916215, 2080462, 2189960, 2747780, 3065944, 3832430, 4160924, 5201155, 5495560, 7281617, 7664860, 8321848, 10402310, 14563234, 15329720, 20804620, 29126468, 36408085, 41609240, 58252936, 72816170, 145632340, 291264680]

約数ペア:

[(1, 291264680), (2, 145632340), (4, 72816170), (5, 58252936), (7, 41609240), (8, 36408085), (10, 29126468), (14, 20804620), (19, 15329720), (20, 14563234), (28, 10402310), (35, 8321848), (38, 7664860), (40, 7281617), (53, 5495560), (56, 5201155), (70, 4160924), (76, 3832430), (95, 3065944), (106, 2747780), (133, 2189960), (140, 2080462), (152, 1916215), (190, 1532972), (212, 1373890), (265, 1099112), (266, 1094980), (280, 1040231), (371, 785080), (380, 766486), (424, 686945), (530, 549556), (532, 547490), (665, 437992), (742, 392540), (760, 383243), (1007, 289240), (1033, 281960), (1060, 274778), (1064, 273745), (1330, 218996), (1484, 196270), (1855, 157016), (2014, 144620), (2066, 140980), (2120, 137389), (2660, 109498), (2968, 98135), (3710, 78508), (4028, 72310), (4132, 70490), (5035, 57848), (5165, 56392), (5320, 54749), (7049, 41320), (7231, 40280), (7420, 39254), (8056, 36155), (8264, 35245), (10070, 28924), (10330, 28196), (14098, 20660), (14462, 20140), (14840, 19627)]