990410148

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43189}}^1$

素因数の和:43226

約数の個数: 108

約数和(自身を含む): 3136371420

約数和(自身を除く): 2145961272

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3822, 5733, 7644, 11466, 22932, 43189, 86378, 129567, 172756, 259134, 302323, 388701, 518268, 561457, 604646, 777402, 906969, 1122914, 1209292, 1554804, 1684371, 1813938, 2116261, 2245828, 2720907, 3368742, 3627876, 3930199, 4232522, 5053113, 5441814, 6348783, 6737484, 7860398, 8465044, 10106226, 10883628, 11790597, 12697566, 15720796, 19046349, 20212452, 23581194, 25395132, 27511393, 35371791, 38092698, 47162388, 55022786, 70743582, 76185396, 82534179, 110045572, 141487164, 165068358, 247602537, 330136716, 495205074, 990410148]

約数ペア:

[(1, 990410148), (2, 495205074), (3, 330136716), (4, 247602537), (6, 165068358), (7, 141487164), (9, 110045572), (12, 82534179), (13, 76185396), (14, 70743582), (18, 55022786), (21, 47162388), (26, 38092698), (28, 35371791), (36, 27511393), (39, 25395132), (42, 23581194), (49, 20212452), (52, 19046349), (63, 15720796), (78, 12697566), (84, 11790597), (91, 10883628), (98, 10106226), (117, 8465044), (126, 7860398), (147, 6737484), (156, 6348783), (182, 5441814), (196, 5053113), (234, 4232522), (252, 3930199), (273, 3627876), (294, 3368742), (364, 2720907), (441, 2245828), (468, 2116261), (546, 1813938), (588, 1684371), (637, 1554804), (819, 1209292), (882, 1122914), (1092, 906969), (1274, 777402), (1638, 604646), (1764, 561457), (1911, 518268), (2548, 388701), (3276, 302323), (3822, 259134), (5733, 172756), (7644, 129567), (11466, 86378), (22932, 43189)]