251145990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 96

約数和(自身を含む): 691441920

約数和(自身を除く): 440295930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 227, 285, 342, 454, 570, 647, 681, 855, 1135, 1294, 1362, 1710, 1941, 2043, 2270, 3235, 3405, 3882, 4086, 4313, 5823, 6470, 6810, 8626, 9705, 10215, 11646, 12293, 12939, 19410, 20430, 21565, 24586, 25878, 29115, 36879, 38817, 43130, 58230, 61465, 64695, 73758, 77634, 110637, 122930, 129390, 146869, 184395, 194085, 221274, 293738, 368790, 388170, 440607, 553185, 734345, 881214, 1106370, 1321821, 1468690, 2203035, 2643642, 2790511, 4406070, 5581022, 6609105, 8371533, 13218210, 13952555, 16743066, 25114599, 27905110, 41857665, 50229198, 83715330, 125572995, 251145990]

約数ペア:

[(1, 251145990), (2, 125572995), (3, 83715330), (5, 50229198), (6, 41857665), (9, 27905110), (10, 25114599), (15, 16743066), (18, 13952555), (19, 13218210), (30, 8371533), (38, 6609105), (45, 5581022), (57, 4406070), (90, 2790511), (95, 2643642), (114, 2203035), (171, 1468690), (190, 1321821), (227, 1106370), (285, 881214), (342, 734345), (454, 553185), (570, 440607), (647, 388170), (681, 368790), (855, 293738), (1135, 221274), (1294, 194085), (1362, 184395), (1710, 146869), (1941, 129390), (2043, 122930), (2270, 110637), (3235, 77634), (3405, 73758), (3882, 64695), (4086, 61465), (4313, 58230), (5823, 43130), (6470, 38817), (6810, 36879), (8626, 29115), (9705, 25878), (10215, 24586), (11646, 21565), (12293, 20430), (12939, 19410)]