2902480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 7928064

約数和(自身を除く): 5025584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 73, 80, 112, 140, 142, 146, 280, 284, 292, 355, 365, 497, 511, 560, 568, 584, 710, 730, 994, 1022, 1136, 1168, 1420, 1460, 1988, 2044, 2485, 2555, 2840, 2920, 3976, 4088, 4970, 5110, 5183, 5680, 5840, 7952, 8176, 9940, 10220, 10366, 19880, 20440, 20732, 25915, 36281, 39760, 40880, 41464, 51830, 72562, 82928, 103660, 145124, 181405, 207320, 290248, 362810, 414640, 580496, 725620, 1451240, 2902480]

約数ペア:

[(1, 2902480), (2, 1451240), (4, 725620), (5, 580496), (7, 414640), (8, 362810), (10, 290248), (14, 207320), (16, 181405), (20, 145124), (28, 103660), (35, 82928), (40, 72562), (56, 51830), (70, 41464), (71, 40880), (73, 39760), (80, 36281), (112, 25915), (140, 20732), (142, 20440), (146, 19880), (280, 10366), (284, 10220), (292, 9940), (355, 8176), (365, 7952), (497, 5840), (511, 5680), (560, 5183), (568, 5110), (584, 4970), (710, 4088), (730, 3976), (994, 2920), (1022, 2840), (1136, 2555), (1168, 2485), (1420, 2044), (1460, 1988)]