1997605890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1681

約数の個数: 192

約数和(自身を含む): 6267456000

約数和(自身を除く): 4269850110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 89, 90, 105, 115, 126, 138, 161, 178, 207, 210, 230, 267, 315, 322, 345, 414, 445, 483, 534, 623, 630, 690, 801, 805, 890, 966, 1035, 1246, 1335, 1449, 1549, 1602, 1610, 1869, 2047, 2070, 2415, 2670, 2898, 3098, 3115, 3738, 4005, 4094, 4647, 4830, 5607, 6141, 6230, 7245, 7745, 8010, 9294, 9345, 10235, 10843, 11214, 12282, 13941, 14329, 14490, 15490, 18423, 18690, 20470, 21686, 23235, 27882, 28035, 28658, 30705, 32529, 35627, 36846, 42987, 46470, 54215, 56070, 61410, 65058, 69705, 71254, 71645, 85974, 92115, 97587, 106881, 108430, 128961, 137861, 139410, 143290, 162645, 178135, 184230, 195174, 213762, 214935, 249389, 257922, 275722, 320643, 325290, 356270, 413583, 429870, 487935, 498778, 534405, 641286, 644805, 689305, 748167, 827166, 965027, 975870, 1068810, 1240749, 1246945, 1289610, 1378610, 1496334, 1603215, 1930054, 2067915, 2244501, 2481498, 2493890, 2895081, 3170803, 3206430, 3740835, 4135830, 4489002, 4825135, 5790162, 6203745, 6341606, 7481670, 8685243, 9512409, 9650270, 11222505, 12407490, 14475405, 15854015, 17370486, 19024818, 22195621, 22445010, 28537227, 28950810, 31708030, 43426215, 44391242, 47562045, 57074454, 66586863, 86852430, 95124090, 110978105, 133173726, 142686135, 199760589, 221956210, 285372270, 332934315, 399521178, 665868630, 998802945, 1997605890]

約数ペア:

[(1, 1997605890), (2, 998802945), (3, 665868630), (5, 399521178), (6, 332934315), (7, 285372270), (9, 221956210), (10, 199760589), (14, 142686135), (15, 133173726), (18, 110978105), (21, 95124090), (23, 86852430), (30, 66586863), (35, 57074454), (42, 47562045), (45, 44391242), (46, 43426215), (63, 31708030), (69, 28950810), (70, 28537227), (89, 22445010), (90, 22195621), (105, 19024818), (115, 17370486), (126, 15854015), (138, 14475405), (161, 12407490), (178, 11222505), (207, 9650270), (210, 9512409), (230, 8685243), (267, 7481670), (315, 6341606), (322, 6203745), (345, 5790162), (414, 4825135), (445, 4489002), (483, 4135830), (534, 3740835), (623, 3206430), (630, 3170803), (690, 2895081), (801, 2493890), (805, 2481498), (890, 2244501), (966, 2067915), (1035, 1930054), (1246, 1603215), (1335, 1496334), (1449, 1378610), (1549, 1289610), (1602, 1246945), (1610, 1240749), (1869, 1068810), (2047, 975870), (2070, 965027), (2415, 827166), (2670, 748167), (2898, 689305), (3098, 644805), (3115, 641286), (3738, 534405), (4005, 498778), (4094, 487935), (4647, 429870), (4830, 413583), (5607, 356270), (6141, 325290), (6230, 320643), (7245, 275722), (7745, 257922), (8010, 249389), (9294, 214935), (9345, 213762), (10235, 195174), (10843, 184230), (11214, 178135), (12282, 162645), (13941, 143290), (14329, 139410), (14490, 137861), (15490, 128961), (18423, 108430), (18690, 106881), (20470, 97587), (21686, 92115), (23235, 85974), (27882, 71645), (28035, 71254), (28658, 69705), (30705, 65058), (32529, 61410), (35627, 56070), (36846, 54215), (42987, 46470)]