209338740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:818

約数の個数: 144

約数和(自身を含む): 689886288

約数和(自身を除く): 480547548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 137, 156, 180, 195, 234, 260, 274, 390, 411, 468, 548, 585, 653, 685, 780, 822, 1170, 1233, 1306, 1370, 1644, 1781, 1959, 2055, 2340, 2466, 2612, 2740, 3265, 3562, 3918, 4110, 4932, 5343, 5877, 6165, 6530, 7124, 7836, 8220, 8489, 8905, 9795, 10686, 11754, 12330, 13060, 16029, 16978, 17810, 19590, 21372, 23508, 24660, 25467, 26715, 29385, 32058, 33956, 35620, 39180, 42445, 50934, 53430, 58770, 64116, 76401, 80145, 84890, 89461, 101868, 106860, 117540, 127335, 152802, 160290, 169780, 178922, 254670, 268383, 305604, 320580, 357844, 382005, 447305, 509340, 536766, 764010, 805149, 894610, 1073532, 1162993, 1341915, 1528020, 1610298, 1789220, 2325986, 2683830, 3220596, 3488979, 4025745, 4651972, 5367660, 5814965, 6977958, 8051490, 10466937, 11629930, 13955916, 16102980, 17444895, 20933874, 23259860, 34889790, 41867748, 52334685, 69779580, 104669370, 209338740]

約数ペア:

[(1, 209338740), (2, 104669370), (3, 69779580), (4, 52334685), (5, 41867748), (6, 34889790), (9, 23259860), (10, 20933874), (12, 17444895), (13, 16102980), (15, 13955916), (18, 11629930), (20, 10466937), (26, 8051490), (30, 6977958), (36, 5814965), (39, 5367660), (45, 4651972), (52, 4025745), (60, 3488979), (65, 3220596), (78, 2683830), (90, 2325986), (117, 1789220), (130, 1610298), (137, 1528020), (156, 1341915), (180, 1162993), (195, 1073532), (234, 894610), (260, 805149), (274, 764010), (390, 536766), (411, 509340), (468, 447305), (548, 382005), (585, 357844), (653, 320580), (685, 305604), (780, 268383), (822, 254670), (1170, 178922), (1233, 169780), (1306, 160290), (1370, 152802), (1644, 127335), (1781, 117540), (1959, 106860), (2055, 101868), (2340, 89461), (2466, 84890), (2612, 80145), (2740, 76401), (3265, 64116), (3562, 58770), (3918, 53430), (4110, 50934), (4932, 42445), (5343, 39180), (5877, 35620), (6165, 33956), (6530, 32058), (7124, 29385), (7836, 26715), (8220, 25467), (8489, 24660), (8905, 23508), (9795, 21372), (10686, 19590), (11754, 17810), (12330, 16978), (13060, 16029)]