2019493450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 4328582328

約数和(自身を除く): 2309088878

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 53, 61, 62, 65, 106, 122, 130, 155, 265, 305, 310, 325, 403, 530, 610, 650, 689, 775, 793, 806, 961, 1325, 1378, 1525, 1550, 1586, 1643, 1891, 1922, 2015, 2650, 3050, 3233, 3286, 3445, 3782, 3965, 4030, 4805, 6466, 6890, 7930, 8215, 9455, 9610, 10075, 12493, 16165, 16430, 17225, 18910, 19825, 20150, 21359, 24025, 24583, 24986, 32330, 34450, 39650, 41075, 42029, 42718, 47275, 48050, 49166, 50933, 58621, 62465, 80825, 82150, 84058, 94550, 100223, 101866, 106795, 117242, 122915, 124930, 161650, 200446, 210145, 213590, 245830, 254665, 293105, 312325, 420290, 501115, 509330, 533975, 586210, 614575, 624650, 662129, 762073, 1002230, 1050725, 1067950, 1229150, 1273325, 1302899, 1324258, 1465525, 1524146, 2101450, 2505575, 2546650, 2605798, 2931050, 3106913, 3310645, 3810365, 5011150, 6213826, 6514495, 6621290, 7620730, 13028990, 15534565, 16553225, 19051825, 31069130, 32572475, 33106450, 38103650, 40389869, 65144950, 77672825, 80779738, 155345650, 201949345, 403898690, 1009746725, 2019493450]

約数ペア:

[(1, 2019493450), (2, 1009746725), (5, 403898690), (10, 201949345), (13, 155345650), (25, 80779738), (26, 77672825), (31, 65144950), (50, 40389869), (53, 38103650), (61, 33106450), (62, 32572475), (65, 31069130), (106, 19051825), (122, 16553225), (130, 15534565), (155, 13028990), (265, 7620730), (305, 6621290), (310, 6514495), (325, 6213826), (403, 5011150), (530, 3810365), (610, 3310645), (650, 3106913), (689, 2931050), (775, 2605798), (793, 2546650), (806, 2505575), (961, 2101450), (1325, 1524146), (1378, 1465525), (1525, 1324258), (1550, 1302899), (1586, 1273325), (1643, 1229150), (1891, 1067950), (1922, 1050725), (2015, 1002230), (2650, 762073), (3050, 662129), (3233, 624650), (3286, 614575), (3445, 586210), (3782, 533975), (3965, 509330), (4030, 501115), (4805, 420290), (6466, 312325), (6890, 293105), (7930, 254665), (8215, 245830), (9455, 213590), (9610, 210145), (10075, 200446), (12493, 161650), (16165, 124930), (16430, 122915), (17225, 117242), (18910, 106795), (19825, 101866), (20150, 100223), (21359, 94550), (24025, 84058), (24583, 82150), (24986, 80825), (32330, 62465), (34450, 58621), (39650, 50933), (41075, 49166), (42029, 48050), (42718, 47275)]