280539712

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 112

約数和(自身を含む): 637519680

約数和(自身を除く): 356979968

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 41, 64, 68, 76, 82, 136, 152, 164, 272, 304, 323, 328, 331, 544, 608, 646, 656, 662, 697, 779, 1088, 1216, 1292, 1312, 1324, 1394, 1558, 2584, 2624, 2648, 2788, 3116, 5168, 5296, 5576, 5627, 6232, 6289, 10336, 10592, 11152, 11254, 12464, 12578, 13243, 13571, 20672, 21184, 22304, 22508, 24928, 25156, 26486, 27142, 44608, 45016, 49856, 50312, 52972, 54284, 90032, 100624, 105944, 106913, 108568, 180064, 201248, 211888, 213826, 217136, 230707, 257849, 360128, 402496, 423776, 427652, 434272, 461414, 515698, 847552, 855304, 868544, 922828, 1031396, 1710608, 1845656, 2062792, 3421216, 3691312, 4125584, 4383433, 6842432, 7382624, 8251168, 8766866, 14765248, 16502336, 17533732, 35067464, 70134928, 140269856, 280539712]

約数ペア:

[(1, 280539712), (2, 140269856), (4, 70134928), (8, 35067464), (16, 17533732), (17, 16502336), (19, 14765248), (32, 8766866), (34, 8251168), (38, 7382624), (41, 6842432), (64, 4383433), (68, 4125584), (76, 3691312), (82, 3421216), (136, 2062792), (152, 1845656), (164, 1710608), (272, 1031396), (304, 922828), (323, 868544), (328, 855304), (331, 847552), (544, 515698), (608, 461414), (646, 434272), (656, 427652), (662, 423776), (697, 402496), (779, 360128), (1088, 257849), (1216, 230707), (1292, 217136), (1312, 213826), (1324, 211888), (1394, 201248), (1558, 180064), (2584, 108568), (2624, 106913), (2648, 105944), (2788, 100624), (3116, 90032), (5168, 54284), (5296, 52972), (5576, 50312), (5627, 49856), (6232, 45016), (6289, 44608), (10336, 27142), (10592, 26486), (11152, 25156), (11254, 24928), (12464, 22508), (12578, 22304), (13243, 21184), (13571, 20672)]