315982940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173617}}^1$

素因数の和:173646

約数の個数: 48

約数和(自身を含む): 816699072

約数和(自身を除く): 500716132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 173617, 347234, 694468, 868085, 1215319, 1736170, 2257021, 2430638, 3472340, 4514042, 4861276, 6076595, 9028084, 11285105, 12153190, 15799147, 22570210, 24306380, 31598294, 45140420, 63196588, 78995735, 157991470, 315982940]

約数ペア:

[(1, 315982940), (2, 157991470), (4, 78995735), (5, 63196588), (7, 45140420), (10, 31598294), (13, 24306380), (14, 22570210), (20, 15799147), (26, 12153190), (28, 11285105), (35, 9028084), (52, 6076595), (65, 4861276), (70, 4514042), (91, 3472340), (130, 2430638), (140, 2257021), (182, 1736170), (260, 1215319), (364, 868085), (455, 694468), (910, 347234), (1820, 173617)]