1250500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 2843568

約数和(自身を除く): 1593068

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 61, 82, 100, 122, 125, 164, 205, 244, 250, 305, 410, 500, 610, 820, 1025, 1220, 1525, 2050, 2501, 3050, 4100, 5002, 5125, 6100, 7625, 10004, 10250, 12505, 15250, 20500, 25010, 30500, 50020, 62525, 125050, 250100, 312625, 625250, 1250500]

約数ペア:

[(1, 1250500), (2, 625250), (4, 312625), (5, 250100), (10, 125050), (20, 62525), (25, 50020), (41, 30500), (50, 25010), (61, 20500), (82, 15250), (100, 12505), (122, 10250), (125, 10004), (164, 7625), (205, 6100), (244, 5125), (250, 5002), (305, 4100), (410, 3050), (500, 2501), (610, 2050), (820, 1525), (1025, 1220)]