1403990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 2985984

約数和(自身を除く): 1581994

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 647, 1085, 1294, 2170, 3235, 4529, 6470, 9058, 20057, 22645, 40114, 45290, 100285, 140399, 200570, 280798, 701995, 1403990]

約数ペア:

[(1, 1403990), (2, 701995), (5, 280798), (7, 200570), (10, 140399), (14, 100285), (31, 45290), (35, 40114), (62, 22645), (70, 20057), (155, 9058), (217, 6470), (310, 4529), (434, 3235), (647, 2170), (1085, 1294)]