49489020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 216

約数和(自身を含む): 181254528

約数和(自身を除く): 131765508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 70, 84, 90, 93, 98, 105, 124, 126, 140, 147, 155, 180, 181, 186, 196, 210, 217, 245, 252, 279, 294, 310, 315, 362, 372, 420, 434, 441, 465, 490, 543, 558, 588, 620, 630, 651, 724, 735, 868, 882, 905, 930, 980, 1085, 1086, 1116, 1260, 1267, 1302, 1395, 1470, 1519, 1629, 1764, 1810, 1860, 1953, 2170, 2172, 2205, 2534, 2604, 2715, 2790, 2940, 3038, 3255, 3258, 3620, 3801, 3906, 4340, 4410, 4557, 5068, 5430, 5580, 5611, 6076, 6335, 6510, 6516, 7595, 7602, 7812, 8145, 8820, 8869, 9114, 9765, 10860, 11222, 11403, 12670, 13020, 13671, 15190, 15204, 16290, 16833, 17738, 18228, 19005, 19530, 22444, 22785, 22806, 25340, 26607, 27342, 28055, 30380, 32580, 33666, 35476, 38010, 39060, 39277, 44345, 45570, 45612, 50499, 53214, 54684, 56110, 57015, 67332, 68355, 76020, 78554, 79821, 84165, 88690, 91140, 100998, 106428, 112220, 114030, 117831, 133035, 136710, 157108, 159642, 168330, 177380, 196385, 201996, 228060, 235662, 252495, 266070, 273420, 274939, 319284, 336660, 353493, 392770, 399105, 471324, 504990, 532140, 549878, 589155, 706986, 785540, 798210, 824817, 1009980, 1099756, 1178310, 1374695, 1413972, 1596420, 1649634, 1767465, 2356620, 2474451, 2749390, 3299268, 3534930, 4124085, 4948902, 5498780, 7069860, 8248170, 9897804, 12372255, 16496340, 24744510, 49489020]

約数ペア:

[(1, 49489020), (2, 24744510), (3, 16496340), (4, 12372255), (5, 9897804), (6, 8248170), (7, 7069860), (9, 5498780), (10, 4948902), (12, 4124085), (14, 3534930), (15, 3299268), (18, 2749390), (20, 2474451), (21, 2356620), (28, 1767465), (30, 1649634), (31, 1596420), (35, 1413972), (36, 1374695), (42, 1178310), (45, 1099756), (49, 1009980), (60, 824817), (62, 798210), (63, 785540), (70, 706986), (84, 589155), (90, 549878), (93, 532140), (98, 504990), (105, 471324), (124, 399105), (126, 392770), (140, 353493), (147, 336660), (155, 319284), (180, 274939), (181, 273420), (186, 266070), (196, 252495), (210, 235662), (217, 228060), (245, 201996), (252, 196385), (279, 177380), (294, 168330), (310, 159642), (315, 157108), (362, 136710), (372, 133035), (420, 117831), (434, 114030), (441, 112220), (465, 106428), (490, 100998), (543, 91140), (558, 88690), (588, 84165), (620, 79821), (630, 78554), (651, 76020), (724, 68355), (735, 67332), (868, 57015), (882, 56110), (905, 54684), (930, 53214), (980, 50499), (1085, 45612), (1086, 45570), (1116, 44345), (1260, 39277), (1267, 39060), (1302, 38010), (1395, 35476), (1470, 33666), (1519, 32580), (1629, 30380), (1764, 28055), (1810, 27342), (1860, 26607), (1953, 25340), (2170, 22806), (2172, 22785), (2205, 22444), (2534, 19530), (2604, 19005), (2715, 18228), (2790, 17738), (2940, 16833), (3038, 16290), (3255, 15204), (3258, 15190), (3620, 13671), (3801, 13020), (3906, 12670), (4340, 11403), (4410, 11222), (4557, 10860), (5068, 9765), (5430, 9114), (5580, 8869), (5611, 8820), (6076, 8145), (6335, 7812), (6510, 7602), (6516, 7595)]