201993271720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1\times {\mathrm{1151}}^1$

素因数の和:2219

約数の個数: 128

約数和(自身を含む): 483580108800

約数和(自身を除く): 281586837080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 409, 631, 680, 818, 1151, 1262, 1636, 2045, 2302, 2524, 3155, 3272, 4090, 4604, 5048, 5755, 6310, 6953, 8180, 9208, 10727, 11510, 12620, 13906, 16360, 19567, 21454, 23020, 25240, 27812, 34765, 39134, 42908, 46040, 53635, 55624, 69530, 78268, 85816, 97835, 107270, 139060, 156536, 195670, 214540, 258079, 278120, 391340, 429080, 470759, 516158, 726281, 782680, 941518, 1032316, 1290395, 1452562, 1883036, 2064632, 2353795, 2580790, 2905124, 3631405, 3766072, 4387343, 4707590, 5161580, 5810248, 7262810, 8002903, 8774686, 9415180, 10323160, 12346777, 14525620, 16005806, 17549372, 18830360, 21936715, 24693554, 29051240, 32011612, 35098744, 40014515, 43873430, 49387108, 61733885, 64023224, 80029030, 87746860, 98774216, 123467770, 160058060, 175493720, 246935540, 297048929, 320116120, 493871080, 594097858, 1188195716, 1485244645, 2376391432, 2970489290, 5049831793, 5940978580, 10099663586, 11881957160, 20199327172, 25249158965, 40398654344, 50498317930, 100996635860, 201993271720]

約数ペア:

[(1, 201993271720), (2, 100996635860), (4, 50498317930), (5, 40398654344), (8, 25249158965), (10, 20199327172), (17, 11881957160), (20, 10099663586), (34, 5940978580), (40, 5049831793), (68, 2970489290), (85, 2376391432), (136, 1485244645), (170, 1188195716), (340, 594097858), (409, 493871080), (631, 320116120), (680, 297048929), (818, 246935540), (1151, 175493720), (1262, 160058060), (1636, 123467770), (2045, 98774216), (2302, 87746860), (2524, 80029030), (3155, 64023224), (3272, 61733885), (4090, 49387108), (4604, 43873430), (5048, 40014515), (5755, 35098744), (6310, 32011612), (6953, 29051240), (8180, 24693554), (9208, 21936715), (10727, 18830360), (11510, 17549372), (12620, 16005806), (13906, 14525620), (16360, 12346777), (19567, 10323160), (21454, 9415180), (23020, 8774686), (25240, 8002903), (27812, 7262810), (34765, 5810248), (39134, 5161580), (42908, 4707590), (46040, 4387343), (53635, 3766072), (55624, 3631405), (69530, 2905124), (78268, 2580790), (85816, 2353795), (97835, 2064632), (107270, 1883036), (139060, 1452562), (156536, 1290395), (195670, 1032316), (214540, 941518), (258079, 782680), (278120, 726281), (391340, 516158), (429080, 470759)]