201209840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^2$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 526716288

約数和(自身を除く): 325506448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 79, 80, 104, 124, 130, 155, 158, 208, 248, 260, 310, 316, 395, 403, 496, 520, 620, 632, 790, 806, 1027, 1040, 1240, 1264, 1580, 1612, 2015, 2054, 2449, 2480, 3160, 3224, 4030, 4108, 4898, 5135, 6241, 6320, 6448, 8060, 8216, 9796, 10270, 12245, 12482, 16120, 16432, 19592, 20540, 24490, 24964, 31205, 31837, 32240, 39184, 41080, 48980, 49928, 62410, 63674, 81133, 82160, 97960, 99856, 124820, 127348, 159185, 162266, 193471, 195920, 249640, 254696, 318370, 324532, 386942, 405665, 499280, 509392, 636740, 649064, 773884, 811330, 967355, 1273480, 1298128, 1547768, 1622660, 1934710, 2515123, 2546960, 3095536, 3245320, 3869420, 5030246, 6490640, 7738840, 10060492, 12575615, 15477680, 20120984, 25151230, 40241968, 50302460, 100604920, 201209840]

約数ペア:

[(1, 201209840), (2, 100604920), (4, 50302460), (5, 40241968), (8, 25151230), (10, 20120984), (13, 15477680), (16, 12575615), (20, 10060492), (26, 7738840), (31, 6490640), (40, 5030246), (52, 3869420), (62, 3245320), (65, 3095536), (79, 2546960), (80, 2515123), (104, 1934710), (124, 1622660), (130, 1547768), (155, 1298128), (158, 1273480), (208, 967355), (248, 811330), (260, 773884), (310, 649064), (316, 636740), (395, 509392), (403, 499280), (496, 405665), (520, 386942), (620, 324532), (632, 318370), (790, 254696), (806, 249640), (1027, 195920), (1040, 193471), (1240, 162266), (1264, 159185), (1580, 127348), (1612, 124820), (2015, 99856), (2054, 97960), (2449, 82160), (2480, 81133), (3160, 63674), (3224, 62410), (4030, 49928), (4108, 48980), (4898, 41080), (5135, 39184), (6241, 32240), (6320, 31837), (6448, 31205), (8060, 24964), (8216, 24490), (9796, 20540), (10270, 19592), (12245, 16432), (12482, 16120)]