198411780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:375

約数の個数: 192

約数和(自身を含む): 670924800

約数和(自身を除く): 472513020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 311, 343, 372, 420, 434, 465, 490, 588, 620, 622, 651, 686, 735, 868, 930, 933, 980, 1029, 1085, 1244, 1302, 1372, 1470, 1519, 1555, 1715, 1860, 1866, 2058, 2170, 2177, 2604, 2940, 3038, 3110, 3255, 3430, 3732, 4116, 4340, 4354, 4557, 4665, 5145, 6076, 6220, 6510, 6531, 6860, 7595, 8708, 9114, 9330, 9641, 10290, 10633, 10885, 13020, 13062, 15190, 15239, 18228, 18660, 19282, 20580, 21266, 21770, 22785, 26124, 28923, 30380, 30478, 31899, 32655, 38564, 42532, 43540, 45570, 45717, 48205, 53165, 57846, 60956, 63798, 65310, 67487, 76195, 91140, 91434, 96410, 106330, 106673, 115692, 127596, 130620, 134974, 144615, 152390, 159495, 182868, 192820, 202461, 212660, 213346, 228585, 269948, 289230, 304780, 318990, 320019, 337435, 404922, 426692, 457170, 472409, 533365, 578460, 637980, 640038, 674870, 809844, 914340, 944818, 1012305, 1066730, 1280076, 1349740, 1417227, 1600095, 1889636, 2024610, 2133460, 2362045, 2834454, 3200190, 3306863, 4049220, 4724090, 5668908, 6400380, 6613726, 7086135, 9448180, 9920589, 13227452, 14172270, 16534315, 19841178, 28344540, 33068630, 39682356, 49602945, 66137260, 99205890, 198411780]

約数ペア:

[(1, 198411780), (2, 99205890), (3, 66137260), (4, 49602945), (5, 39682356), (6, 33068630), (7, 28344540), (10, 19841178), (12, 16534315), (14, 14172270), (15, 13227452), (20, 9920589), (21, 9448180), (28, 7086135), (30, 6613726), (31, 6400380), (35, 5668908), (42, 4724090), (49, 4049220), (60, 3306863), (62, 3200190), (70, 2834454), (84, 2362045), (93, 2133460), (98, 2024610), (105, 1889636), (124, 1600095), (140, 1417227), (147, 1349740), (155, 1280076), (186, 1066730), (196, 1012305), (210, 944818), (217, 914340), (245, 809844), (294, 674870), (310, 640038), (311, 637980), (343, 578460), (372, 533365), (420, 472409), (434, 457170), (465, 426692), (490, 404922), (588, 337435), (620, 320019), (622, 318990), (651, 304780), (686, 289230), (735, 269948), (868, 228585), (930, 213346), (933, 212660), (980, 202461), (1029, 192820), (1085, 182868), (1244, 159495), (1302, 152390), (1372, 144615), (1470, 134974), (1519, 130620), (1555, 127596), (1715, 115692), (1860, 106673), (1866, 106330), (2058, 96410), (2170, 91434), (2177, 91140), (2604, 76195), (2940, 67487), (3038, 65310), (3110, 63798), (3255, 60956), (3430, 57846), (3732, 53165), (4116, 48205), (4340, 45717), (4354, 45570), (4557, 43540), (4665, 42532), (5145, 38564), (6076, 32655), (6220, 31899), (6510, 30478), (6531, 30380), (6860, 28923), (7595, 26124), (8708, 22785), (9114, 21770), (9330, 21266), (9641, 20580), (10290, 19282), (10633, 18660), (10885, 18228), (13020, 15239), (13062, 15190)]