20190135940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1802

約数の個数: 144

約数和(自身を含む): 47588945040

約数和(自身を除く): 27398809100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 89, 130, 164, 169, 178, 205, 260, 338, 356, 410, 445, 533, 676, 820, 845, 890, 1066, 1157, 1637, 1690, 1780, 2132, 2314, 2665, 3274, 3380, 3649, 4628, 5330, 5785, 6548, 6929, 7298, 8185, 10660, 11570, 13858, 14596, 15041, 16370, 18245, 21281, 23140, 27716, 30082, 32740, 34645, 36490, 42562, 47437, 60164, 67117, 69290, 72980, 75205, 85124, 94874, 106405, 134234, 138580, 145693, 150410, 189748, 212810, 237185, 268468, 276653, 291386, 300820, 335585, 425620, 474370, 553306, 582772, 616681, 671170, 728465, 872521, 948740, 1106612, 1233362, 1342340, 1383265, 1456930, 1745042, 1894009, 2466724, 2766530, 2913860, 3083405, 3490084, 3788018, 4362605, 5533060, 5973413, 6166810, 7576036, 8725210, 9470045, 11342773, 11946826, 12333620, 17450420, 18940090, 22685546, 23893652, 24622117, 29867065, 37880180, 45371092, 49244234, 56713865, 59734130, 77654369, 98488468, 113427730, 119468260, 123110585, 155308738, 226855460, 246221170, 310617476, 388271845, 492442340, 776543690, 1009506797, 1553087380, 2019013594, 4038027188, 5047533985, 10095067970, 20190135940]

約数ペア:

[(1, 20190135940), (2, 10095067970), (4, 5047533985), (5, 4038027188), (10, 2019013594), (13, 1553087380), (20, 1009506797), (26, 776543690), (41, 492442340), (52, 388271845), (65, 310617476), (82, 246221170), (89, 226855460), (130, 155308738), (164, 123110585), (169, 119468260), (178, 113427730), (205, 98488468), (260, 77654369), (338, 59734130), (356, 56713865), (410, 49244234), (445, 45371092), (533, 37880180), (676, 29867065), (820, 24622117), (845, 23893652), (890, 22685546), (1066, 18940090), (1157, 17450420), (1637, 12333620), (1690, 11946826), (1780, 11342773), (2132, 9470045), (2314, 8725210), (2665, 7576036), (3274, 6166810), (3380, 5973413), (3649, 5533060), (4628, 4362605), (5330, 3788018), (5785, 3490084), (6548, 3083405), (6929, 2913860), (7298, 2766530), (8185, 2466724), (10660, 1894009), (11570, 1745042), (13858, 1456930), (14596, 1383265), (15041, 1342340), (16370, 1233362), (18245, 1106612), (21281, 948740), (23140, 872521), (27716, 728465), (30082, 671170), (32740, 616681), (34645, 582772), (36490, 553306), (42562, 474370), (47437, 425620), (60164, 335585), (67117, 300820), (69290, 291386), (72980, 276653), (75205, 268468), (85124, 237185), (94874, 212810), (106405, 189748), (134234, 150410), (138580, 145693)]