238434640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1340

約数の個数: 80

約数和(自身を含む): 579962880

約数和(自身を除く): 341528240

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, 1217, 1240, 1264, 1580, 2434, 2449, 2480, 3160, 4868, 4898, 6085, 6320, 9736, 9796, 12170, 12245, 19472, 19592, 24340, 24490, 37727, 39184, 48680, 48980, 75454, 96143, 97360, 97960, 150908, 188635, 192286, 195920, 301816, 377270, 384572, 480715, 603632, 754540, 769144, 961430, 1509080, 1538288, 1922860, 2980433, 3018160, 3845720, 5960866, 7691440, 11921732, 14902165, 23843464, 29804330, 47686928, 59608660, 119217320, 238434640]

約数ペア:

[(1, 238434640), (2, 119217320), (4, 59608660), (5, 47686928), (8, 29804330), (10, 23843464), (16, 14902165), (20, 11921732), (31, 7691440), (40, 5960866), (62, 3845720), (79, 3018160), (80, 2980433), (124, 1922860), (155, 1538288), (158, 1509080), (248, 961430), (310, 769144), (316, 754540), (395, 603632), (496, 480715), (620, 384572), (632, 377270), (790, 301816), (1217, 195920), (1240, 192286), (1264, 188635), (1580, 150908), (2434, 97960), (2449, 97360), (2480, 96143), (3160, 75454), (4868, 48980), (4898, 48680), (6085, 39184), (6320, 37727), (9736, 24490), (9796, 24340), (12170, 19592), (12245, 19472)]