38491880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 106444800

約数和(自身を除く): 67952920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 86, 92, 115, 139, 140, 161, 172, 184, 215, 230, 278, 280, 301, 322, 344, 430, 460, 556, 602, 644, 695, 805, 860, 920, 973, 989, 1112, 1204, 1288, 1390, 1505, 1610, 1720, 1946, 1978, 2408, 2780, 3010, 3197, 3220, 3892, 3956, 4865, 4945, 5560, 5977, 6020, 6394, 6440, 6923, 7784, 7912, 9730, 9890, 11954, 12040, 12788, 13846, 15985, 19460, 19780, 22379, 23908, 25576, 27692, 29885, 31970, 34615, 38920, 39560, 41839, 44758, 47816, 55384, 59770, 63940, 69230, 83678, 89516, 111895, 119540, 127880, 137471, 138460, 167356, 179032, 209195, 223790, 239080, 274942, 276920, 334712, 418390, 447580, 549884, 687355, 836780, 895160, 962297, 1099768, 1374710, 1673560, 1924594, 2749420, 3849188, 4811485, 5498840, 7698376, 9622970, 19245940, 38491880]

約数ペア:

[(1, 38491880), (2, 19245940), (4, 9622970), (5, 7698376), (7, 5498840), (8, 4811485), (10, 3849188), (14, 2749420), (20, 1924594), (23, 1673560), (28, 1374710), (35, 1099768), (40, 962297), (43, 895160), (46, 836780), (56, 687355), (70, 549884), (86, 447580), (92, 418390), (115, 334712), (139, 276920), (140, 274942), (161, 239080), (172, 223790), (184, 209195), (215, 179032), (230, 167356), (278, 138460), (280, 137471), (301, 127880), (322, 119540), (344, 111895), (430, 89516), (460, 83678), (556, 69230), (602, 63940), (644, 59770), (695, 55384), (805, 47816), (860, 44758), (920, 41839), (973, 39560), (989, 38920), (1112, 34615), (1204, 31970), (1288, 29885), (1390, 27692), (1505, 25576), (1610, 23908), (1720, 22379), (1946, 19780), (1978, 19460), (2408, 15985), (2780, 13846), (3010, 12788), (3197, 12040), (3220, 11954), (3892, 9890), (3956, 9730), (4865, 7912), (4945, 7784), (5560, 6923), (5977, 6440), (6020, 6394)]