208262960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1186

約数の個数: 80

約数和(自身を含む): 506634240

約数和(自身を除く): 298371280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1063, 1240, 1264, 1580, 2126, 2449, 2480, 3160, 4252, 4898, 5315, 6320, 8504, 9796, 10630, 12245, 17008, 19592, 21260, 24490, 32953, 39184, 42520, 48980, 65906, 83977, 85040, 97960, 131812, 164765, 167954, 195920, 263624, 329530, 335908, 419885, 527248, 659060, 671816, 839770, 1318120, 1343632, 1679540, 2603287, 2636240, 3359080, 5206574, 6718160, 10413148, 13016435, 20826296, 26032870, 41652592, 52065740, 104131480, 208262960]

約数ペア:

[(1, 208262960), (2, 104131480), (4, 52065740), (5, 41652592), (8, 26032870), (10, 20826296), (16, 13016435), (20, 10413148), (31, 6718160), (40, 5206574), (62, 3359080), (79, 2636240), (80, 2603287), (124, 1679540), (155, 1343632), (158, 1318120), (248, 839770), (310, 671816), (316, 659060), (395, 527248), (496, 419885), (620, 335908), (632, 329530), (790, 263624), (1063, 195920), (1240, 167954), (1264, 164765), (1580, 131812), (2126, 97960), (2449, 85040), (2480, 83977), (3160, 65906), (4252, 48980), (4898, 42520), (5315, 39184), (6320, 32953), (8504, 24490), (9796, 21260), (10630, 19592), (12245, 17008)]