211171380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 192

約数和(自身を含む): 713932800

約数和(自身を除く): 502761420

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, 331, 343, 372, 420, 434, 465, 490, 588, 620, 651, 662, 686, 735, 868, 930, 980, 993, 1029, 1085, 1302, 1324, 1372, 1470, 1519, 1655, 1715, 1860, 1986, 2058, 2170, 2317, 2604, 2940, 3038, 3255, 3310, 3430, 3972, 4116, 4340, 4557, 4634, 4965, 5145, 6076, 6510, 6620, 6860, 6951, 7595, 9114, 9268, 9930, 10261, 10290, 10633, 11585, 13020, 13902, 15190, 16219, 18228, 19860, 20522, 20580, 21266, 22785, 23170, 27804, 30380, 30783, 31899, 32438, 34755, 41044, 42532, 45570, 46340, 48657, 51305, 53165, 61566, 63798, 64876, 69510, 71827, 81095, 91140, 97314, 102610, 106330, 113533, 123132, 127596, 139020, 143654, 153915, 159495, 162190, 194628, 205220, 212660, 215481, 227066, 243285, 287308, 307830, 318990, 324380, 340599, 359135, 430962, 454132, 486570, 502789, 567665, 615660, 637980, 681198, 718270, 861924, 973140, 1005578, 1077405, 1135330, 1362396, 1436540, 1508367, 1702995, 2011156, 2154810, 2270660, 2513945, 3016734, 3405990, 3519523, 4309620, 5027890, 6033468, 6811980, 7039046, 7541835, 10055780, 10558569, 14078092, 15083670, 17597615, 21117138, 30167340, 35195230, 42234276, 52792845, 70390460, 105585690, 211171380]

約数ペア:

[(1, 211171380), (2, 105585690), (3, 70390460), (4, 52792845), (5, 42234276), (6, 35195230), (7, 30167340), (10, 21117138), (12, 17597615), (14, 15083670), (15, 14078092), (20, 10558569), (21, 10055780), (28, 7541835), (30, 7039046), (31, 6811980), (35, 6033468), (42, 5027890), (49, 4309620), (60, 3519523), (62, 3405990), (70, 3016734), (84, 2513945), (93, 2270660), (98, 2154810), (105, 2011156), (124, 1702995), (140, 1508367), (147, 1436540), (155, 1362396), (186, 1135330), (196, 1077405), (210, 1005578), (217, 973140), (245, 861924), (294, 718270), (310, 681198), (331, 637980), (343, 615660), (372, 567665), (420, 502789), (434, 486570), (465, 454132), (490, 430962), (588, 359135), (620, 340599), (651, 324380), (662, 318990), (686, 307830), (735, 287308), (868, 243285), (930, 227066), (980, 215481), (993, 212660), (1029, 205220), (1085, 194628), (1302, 162190), (1324, 159495), (1372, 153915), (1470, 143654), (1519, 139020), (1655, 127596), (1715, 123132), (1860, 113533), (1986, 106330), (2058, 102610), (2170, 97314), (2317, 91140), (2604, 81095), (2940, 71827), (3038, 69510), (3255, 64876), (3310, 63798), (3430, 61566), (3972, 53165), (4116, 51305), (4340, 48657), (4557, 46340), (4634, 45570), (4965, 42532), (5145, 41044), (6076, 34755), (6510, 32438), (6620, 31899), (6860, 30783), (6951, 30380), (7595, 27804), (9114, 23170), (9268, 22785), (9930, 21266), (10261, 20580), (10290, 20522), (10633, 19860), (11585, 18228), (13020, 16219), (13902, 15190)]