28158130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 71124480

約数和(自身を除く): 42966350

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 29, 35, 55, 58, 65, 70, 77, 91, 97, 110, 130, 143, 145, 154, 182, 194, 203, 286, 290, 319, 377, 385, 406, 455, 485, 638, 679, 715, 754, 770, 910, 970, 1001, 1015, 1067, 1261, 1358, 1430, 1595, 1885, 2002, 2030, 2134, 2233, 2522, 2639, 2813, 3190, 3395, 3770, 4147, 4466, 5005, 5278, 5335, 5626, 6305, 6790, 7469, 8294, 8827, 10010, 10670, 11165, 12610, 13195, 13871, 14065, 14938, 17654, 19691, 20735, 22330, 26390, 27742, 28130, 29029, 30943, 36569, 37345, 39382, 41470, 44135, 58058, 61886, 69355, 73138, 74690, 88270, 97097, 98455, 138710, 145145, 154715, 182845, 194194, 196910, 216601, 255983, 290290, 309430, 365690, 402259, 433202, 485485, 511966, 804518, 970970, 1083005, 1279915, 2011295, 2166010, 2559830, 2815813, 4022590, 5631626, 14079065, 28158130]

約数ペア:

[(1, 28158130), (2, 14079065), (5, 5631626), (7, 4022590), (10, 2815813), (11, 2559830), (13, 2166010), (14, 2011295), (22, 1279915), (26, 1083005), (29, 970970), (35, 804518), (55, 511966), (58, 485485), (65, 433202), (70, 402259), (77, 365690), (91, 309430), (97, 290290), (110, 255983), (130, 216601), (143, 196910), (145, 194194), (154, 182845), (182, 154715), (194, 145145), (203, 138710), (286, 98455), (290, 97097), (319, 88270), (377, 74690), (385, 73138), (406, 69355), (455, 61886), (485, 58058), (638, 44135), (679, 41470), (715, 39382), (754, 37345), (770, 36569), (910, 30943), (970, 29029), (1001, 28130), (1015, 27742), (1067, 26390), (1261, 22330), (1358, 20735), (1430, 19691), (1595, 17654), (1885, 14938), (2002, 14065), (2030, 13871), (2134, 13195), (2233, 12610), (2522, 11165), (2639, 10670), (2813, 10010), (3190, 8827), (3395, 8294), (3770, 7469), (4147, 6790), (4466, 6305), (5005, 5626), (5278, 5335)]