178388910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2175

約数の個数: 144

約数和(自身を含む): 568198800

約数和(自身を除く): 389809890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 49, 57, 63, 70, 90, 95, 98, 105, 114, 126, 133, 147, 171, 190, 210, 245, 266, 285, 294, 315, 342, 399, 441, 490, 570, 630, 665, 735, 798, 855, 882, 931, 1197, 1330, 1470, 1710, 1862, 1995, 2129, 2205, 2394, 2793, 3990, 4258, 4410, 4655, 5586, 5985, 6387, 8379, 9310, 10645, 11970, 12774, 13965, 14903, 16758, 19161, 21290, 27930, 29806, 31935, 38322, 40451, 41895, 44709, 63870, 74515, 80902, 83790, 89418, 95805, 104321, 121353, 134127, 149030, 191610, 202255, 208642, 223545, 242706, 268254, 283157, 312963, 364059, 404510, 447090, 521605, 566314, 606765, 625926, 670635, 728118, 849471, 938889, 1043210, 1213530, 1341270, 1415785, 1564815, 1698942, 1820295, 1877778, 1982099, 2548413, 2831570, 3129630, 3640590, 3964198, 4247355, 4694445, 5096826, 5946297, 8494710, 9388890, 9910495, 11892594, 12742065, 17838891, 19820990, 25484130, 29731485, 35677782, 59462970, 89194455, 178388910]

約数ペア:

[(1, 178388910), (2, 89194455), (3, 59462970), (5, 35677782), (6, 29731485), (7, 25484130), (9, 19820990), (10, 17838891), (14, 12742065), (15, 11892594), (18, 9910495), (19, 9388890), (21, 8494710), (30, 5946297), (35, 5096826), (38, 4694445), (42, 4247355), (45, 3964198), (49, 3640590), (57, 3129630), (63, 2831570), (70, 2548413), (90, 1982099), (95, 1877778), (98, 1820295), (105, 1698942), (114, 1564815), (126, 1415785), (133, 1341270), (147, 1213530), (171, 1043210), (190, 938889), (210, 849471), (245, 728118), (266, 670635), (285, 625926), (294, 606765), (315, 566314), (342, 521605), (399, 447090), (441, 404510), (490, 364059), (570, 312963), (630, 283157), (665, 268254), (735, 242706), (798, 223545), (855, 208642), (882, 202255), (931, 191610), (1197, 149030), (1330, 134127), (1470, 121353), (1710, 104321), (1862, 95805), (1995, 89418), (2129, 83790), (2205, 80902), (2394, 74515), (2793, 63870), (3990, 44709), (4258, 41895), (4410, 40451), (4655, 38322), (5586, 31935), (5985, 29806), (6387, 27930), (8379, 21290), (9310, 19161), (10645, 16758), (11970, 14903), (12774, 13965)]