509390140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{117371}}^1$

素因数の和:117418

約数の個数: 48

約数和(自身を含む): 1261983744

約数和(自身を除く): 752593604

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, 117371, 234742, 469484, 586855, 821597, 1173710, 1643194, 2347420, 3286388, 3638501, 4107985, 7277002, 8215970, 14554004, 16431940, 18192505, 25469507, 36385010, 50939014, 72770020, 101878028, 127347535, 254695070, 509390140]

約数ペア:

[(1, 509390140), (2, 254695070), (4, 127347535), (5, 101878028), (7, 72770020), (10, 50939014), (14, 36385010), (20, 25469507), (28, 18192505), (31, 16431940), (35, 14554004), (62, 8215970), (70, 7277002), (124, 4107985), (140, 3638501), (155, 3286388), (217, 2347420), (310, 1643194), (434, 1173710), (620, 821597), (868, 586855), (1085, 469484), (2170, 234742), (4340, 117371)]