1869140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 4919040

約数和(自身を除く): 3049900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 169, 182, 260, 316, 338, 364, 395, 455, 553, 676, 790, 845, 910, 1027, 1106, 1183, 1580, 1690, 1820, 2054, 2212, 2366, 2765, 3380, 4108, 4732, 5135, 5530, 5915, 7189, 10270, 11060, 11830, 13351, 14378, 20540, 23660, 26702, 28756, 35945, 53404, 66755, 71890, 93457, 133510, 143780, 186914, 267020, 373828, 467285, 934570, 1869140]

約数ペア:

[(1, 1869140), (2, 934570), (4, 467285), (5, 373828), (7, 267020), (10, 186914), (13, 143780), (14, 133510), (20, 93457), (26, 71890), (28, 66755), (35, 53404), (52, 35945), (65, 28756), (70, 26702), (79, 23660), (91, 20540), (130, 14378), (140, 13351), (158, 11830), (169, 11060), (182, 10270), (260, 7189), (316, 5915), (338, 5530), (364, 5135), (395, 4732), (455, 4108), (553, 3380), (676, 2765), (790, 2366), (845, 2212), (910, 2054), (1027, 1820), (1106, 1690), (1183, 1580)]