1293722763980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{5033549}}^1$

素因数の和:5033810

約数の個数: 48

約数和(自身を含む): 2770304846400

約数和(自身を除く): 1476582082420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 181, 284, 355, 362, 710, 724, 905, 1420, 1810, 3620, 12851, 25702, 51404, 64255, 128510, 257020, 5033549, 10067098, 20134196, 25167745, 50335490, 100670980, 357381979, 714763958, 911072369, 1429527916, 1786909895, 1822144738, 3573819790, 3644289476, 4555361845, 7147639580, 9110723690, 18221447380, 64686138199, 129372276398, 258744552796, 323430690995, 646861381990, 1293722763980]

約数ペア:

[(1, 1293722763980), (2, 646861381990), (4, 323430690995), (5, 258744552796), (10, 129372276398), (20, 64686138199), (71, 18221447380), (142, 9110723690), (181, 7147639580), (284, 4555361845), (355, 3644289476), (362, 3573819790), (710, 1822144738), (724, 1786909895), (905, 1429527916), (1420, 911072369), (1810, 714763958), (3620, 357381979), (12851, 100670980), (25702, 50335490), (51404, 25167745), (64255, 20134196), (128510, 10067098), (257020, 5033549)]