209854620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1504

約数の個数: 144

約数和(自身を含む): 686125440

約数和(自身を除く): 476270820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 855, 860, 1140, 1290, 1427, 1548, 1634, 1710, 1935, 2451, 2580, 2854, 3268, 3420, 3870, 4085, 4281, 4902, 5708, 7135, 7353, 7740, 8170, 8562, 9804, 12255, 12843, 14270, 14706, 16340, 17124, 21405, 24510, 25686, 27113, 28540, 29412, 36765, 42810, 49020, 51372, 54226, 61361, 64215, 73530, 81339, 85620, 108452, 122722, 128430, 135565, 147060, 162678, 184083, 244017, 245444, 256860, 271130, 306805, 325356, 368166, 406695, 488034, 542260, 552249, 613610, 736332, 813390, 920415, 976068, 1104498, 1165859, 1220085, 1227220, 1626780, 1840830, 2208996, 2331718, 2440170, 2761245, 3497577, 3681660, 4663436, 4880340, 5522490, 5829295, 6995154, 10492731, 11044980, 11658590, 13990308, 17487885, 20985462, 23317180, 34975770, 41970924, 52463655, 69951540, 104927310, 209854620]

約数ペア:

[(1, 209854620), (2, 104927310), (3, 69951540), (4, 52463655), (5, 41970924), (6, 34975770), (9, 23317180), (10, 20985462), (12, 17487885), (15, 13990308), (18, 11658590), (19, 11044980), (20, 10492731), (30, 6995154), (36, 5829295), (38, 5522490), (43, 4880340), (45, 4663436), (57, 3681660), (60, 3497577), (76, 2761245), (86, 2440170), (90, 2331718), (95, 2208996), (114, 1840830), (129, 1626780), (171, 1227220), (172, 1220085), (180, 1165859), (190, 1104498), (215, 976068), (228, 920415), (258, 813390), (285, 736332), (342, 613610), (380, 552249), (387, 542260), (430, 488034), (516, 406695), (570, 368166), (645, 325356), (684, 306805), (774, 271130), (817, 256860), (855, 245444), (860, 244017), (1140, 184083), (1290, 162678), (1427, 147060), (1548, 135565), (1634, 128430), (1710, 122722), (1935, 108452), (2451, 85620), (2580, 81339), (2854, 73530), (3268, 64215), (3420, 61361), (3870, 54226), (4085, 51372), (4281, 49020), (4902, 42810), (5708, 36765), (7135, 29412), (7353, 28540), (7740, 27113), (8170, 25686), (8562, 24510), (9804, 21405), (12255, 17124), (12843, 16340), (14270, 14706)]