630136178

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1240

約数の個数: 72

約数和(自身を含む): 1230529680

約数和(自身を除く): 600393502

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 289, 323, 578, 646, 833, 931, 1171, 1666, 1862, 2023, 2261, 2342, 4046, 4522, 5491, 8197, 10982, 14161, 15827, 16394, 19907, 22249, 28322, 31654, 38437, 39814, 44498, 57379, 76874, 114758, 139349, 155743, 269059, 278698, 311486, 338419, 378233, 538118, 676838, 756466, 975443, 1090201, 1950886, 2180402, 2368933, 2647631, 4737866, 5295262, 6429961, 12859922, 16582531, 18533417, 33165062, 37066834, 45009727, 90019454, 315068089, 630136178]

約数ペア:

[(1, 630136178), (2, 315068089), (7, 90019454), (14, 45009727), (17, 37066834), (19, 33165062), (34, 18533417), (38, 16582531), (49, 12859922), (98, 6429961), (119, 5295262), (133, 4737866), (238, 2647631), (266, 2368933), (289, 2180402), (323, 1950886), (578, 1090201), (646, 975443), (833, 756466), (931, 676838), (1171, 538118), (1666, 378233), (1862, 338419), (2023, 311486), (2261, 278698), (2342, 269059), (4046, 155743), (4522, 139349), (5491, 114758), (8197, 76874), (10982, 57379), (14161, 44498), (15827, 39814), (16394, 38437), (19907, 31654), (22249, 28322)]