171621580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 406425600

約数和(自身を除く): 234804020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 107, 124, 130, 155, 199, 214, 260, 310, 398, 403, 428, 535, 620, 796, 806, 995, 1070, 1391, 1612, 1990, 2015, 2140, 2587, 2782, 3317, 3980, 4030, 5174, 5564, 6169, 6634, 6955, 8060, 10348, 12338, 12935, 13268, 13910, 16585, 21293, 24676, 25870, 27820, 30845, 33170, 42586, 43121, 51740, 61690, 66340, 80197, 85172, 86242, 106465, 123380, 160394, 172484, 212930, 215605, 276809, 320788, 400985, 425860, 431210, 553618, 660083, 801970, 862420, 1107236, 1320166, 1384045, 1603940, 2640332, 2768090, 3300415, 5536180, 6600830, 8581079, 13201660, 17162158, 34324316, 42905395, 85810790, 171621580]

約数ペア:

[(1, 171621580), (2, 85810790), (4, 42905395), (5, 34324316), (10, 17162158), (13, 13201660), (20, 8581079), (26, 6600830), (31, 5536180), (52, 3300415), (62, 2768090), (65, 2640332), (107, 1603940), (124, 1384045), (130, 1320166), (155, 1107236), (199, 862420), (214, 801970), (260, 660083), (310, 553618), (398, 431210), (403, 425860), (428, 400985), (535, 320788), (620, 276809), (796, 215605), (806, 212930), (995, 172484), (1070, 160394), (1391, 123380), (1612, 106465), (1990, 86242), (2015, 85172), (2140, 80197), (2587, 66340), (2782, 61690), (3317, 51740), (3980, 43121), (4030, 42586), (5174, 33170), (5564, 30845), (6169, 27820), (6634, 25870), (6955, 24676), (8060, 21293), (10348, 16585), (12338, 13910), (12935, 13268)]