284907980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{65647}}^1$

素因数の和:65694

約数の個数: 48

約数和(自身を含む): 705847296

約数和(自身を除く): 420939316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 65647, 131294, 262588, 328235, 459529, 656470, 919058, 1312940, 1838116, 2035057, 2297645, 4070114, 4595290, 8140228, 9190580, 10175285, 14245399, 20350570, 28490798, 40701140, 56981596, 71226995, 142453990, 284907980]

約数ペア:

[(1, 284907980), (2, 142453990), (4, 71226995), (5, 56981596), (7, 40701140), (10, 28490798), (14, 20350570), (20, 14245399), (28, 10175285), (31, 9190580), (35, 8140228), (62, 4595290), (70, 4070114), (124, 2297645), (140, 2035057), (155, 1838116), (217, 1312940), (310, 919058), (434, 656470), (620, 459529), (868, 328235), (1085, 262588), (2170, 131294), (4340, 65647)]