47748540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 158004000

約数和(自身を除く): 110255460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 149, 196, 210, 218, 245, 294, 298, 327, 420, 436, 447, 490, 545, 588, 596, 654, 735, 745, 763, 894, 980, 1043, 1090, 1308, 1470, 1490, 1526, 1635, 1788, 2086, 2180, 2235, 2289, 2940, 2980, 3052, 3129, 3270, 3815, 4172, 4470, 4578, 5215, 5341, 6258, 6540, 7301, 7630, 8940, 9156, 10430, 10682, 11445, 12516, 14602, 15260, 15645, 16023, 16241, 20860, 21364, 21903, 22890, 26705, 29204, 31290, 32046, 32482, 36505, 43806, 45780, 48723, 53410, 62580, 64092, 64964, 73010, 80115, 81205, 87612, 97446, 106820, 109515, 113687, 146020, 160230, 162410, 194892, 219030, 227374, 243615, 320460, 324820, 341061, 438060, 454748, 487230, 568435, 682122, 795809, 974460, 1136870, 1364244, 1591618, 1705305, 2273740, 2387427, 3183236, 3410610, 3979045, 4774854, 6821220, 7958090, 9549708, 11937135, 15916180, 23874270, 47748540]

約数ペア:

[(1, 47748540), (2, 23874270), (3, 15916180), (4, 11937135), (5, 9549708), (6, 7958090), (7, 6821220), (10, 4774854), (12, 3979045), (14, 3410610), (15, 3183236), (20, 2387427), (21, 2273740), (28, 1705305), (30, 1591618), (35, 1364244), (42, 1136870), (49, 974460), (60, 795809), (70, 682122), (84, 568435), (98, 487230), (105, 454748), (109, 438060), (140, 341061), (147, 324820), (149, 320460), (196, 243615), (210, 227374), (218, 219030), (245, 194892), (294, 162410), (298, 160230), (327, 146020), (420, 113687), (436, 109515), (447, 106820), (490, 97446), (545, 87612), (588, 81205), (596, 80115), (654, 73010), (735, 64964), (745, 64092), (763, 62580), (894, 53410), (980, 48723), (1043, 45780), (1090, 43806), (1308, 36505), (1470, 32482), (1490, 32046), (1526, 31290), (1635, 29204), (1788, 26705), (2086, 22890), (2180, 21903), (2235, 21364), (2289, 20860), (2940, 16241), (2980, 16023), (3052, 15645), (3129, 15260), (3270, 14602), (3815, 12516), (4172, 11445), (4470, 10682), (4578, 10430), (5215, 9156), (5341, 8940), (6258, 7630), (6540, 7301)]