147440020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 395756928

約数和(自身を除く): 248316908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 71, 91, 98, 130, 140, 142, 163, 182, 196, 245, 260, 284, 326, 355, 364, 455, 490, 497, 637, 652, 710, 815, 910, 923, 980, 994, 1141, 1274, 1420, 1630, 1820, 1846, 1988, 2119, 2282, 2485, 2548, 3185, 3260, 3479, 3692, 4238, 4564, 4615, 4970, 5705, 6370, 6461, 6958, 7987, 8476, 9230, 9940, 10595, 11410, 11573, 12740, 12922, 13916, 14833, 15974, 17395, 18460, 21190, 22820, 23146, 25844, 29666, 31948, 32305, 34790, 39935, 42380, 45227, 46292, 57865, 59332, 64610, 69580, 74165, 79870, 81011, 90454, 103831, 115730, 129220, 148330, 150449, 159740, 162022, 180908, 207662, 226135, 231460, 296660, 300898, 324044, 405055, 415324, 452270, 519155, 567077, 601796, 752245, 810110, 904540, 1038310, 1053143, 1134154, 1504490, 1620220, 2076620, 2106286, 2268308, 2835385, 3008980, 4212572, 5265715, 5670770, 7372001, 10531430, 11341540, 14744002, 21062860, 29488004, 36860005, 73720010, 147440020]

約数ペア:

[(1, 147440020), (2, 73720010), (4, 36860005), (5, 29488004), (7, 21062860), (10, 14744002), (13, 11341540), (14, 10531430), (20, 7372001), (26, 5670770), (28, 5265715), (35, 4212572), (49, 3008980), (52, 2835385), (65, 2268308), (70, 2106286), (71, 2076620), (91, 1620220), (98, 1504490), (130, 1134154), (140, 1053143), (142, 1038310), (163, 904540), (182, 810110), (196, 752245), (245, 601796), (260, 567077), (284, 519155), (326, 452270), (355, 415324), (364, 405055), (455, 324044), (490, 300898), (497, 296660), (637, 231460), (652, 226135), (710, 207662), (815, 180908), (910, 162022), (923, 159740), (980, 150449), (994, 148330), (1141, 129220), (1274, 115730), (1420, 103831), (1630, 90454), (1820, 81011), (1846, 79870), (1988, 74165), (2119, 69580), (2282, 64610), (2485, 59332), (2548, 57865), (3185, 46292), (3260, 45227), (3479, 42380), (3692, 39935), (4238, 34790), (4564, 32305), (4615, 31948), (4970, 29666), (5705, 25844), (6370, 23146), (6461, 22820), (6958, 21190), (7987, 18460), (8476, 17395), (9230, 15974), (9940, 14833), (10595, 13916), (11410, 12922), (11573, 12740)]