1854529990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:609

約数の個数: 64

約数和(自身を含む): 3510864000

約数和(自身を除く): 1656334010

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 167, 257, 290, 298, 334, 514, 745, 835, 1285, 1490, 1670, 2570, 4321, 4843, 7453, 8642, 9686, 14906, 21605, 24215, 24883, 37265, 38293, 42919, 43210, 48430, 49766, 74530, 76586, 85838, 124415, 191465, 214595, 248830, 382930, 429190, 721607, 1110497, 1244651, 1443214, 2220994, 2489302, 3608035, 5552485, 6223255, 6394931, 7216070, 11104970, 12446510, 12789862, 31974655, 63949310, 185452999, 370905998, 927264995, 1854529990]

約数ペア:

[(1, 1854529990), (2, 927264995), (5, 370905998), (10, 185452999), (29, 63949310), (58, 31974655), (145, 12789862), (149, 12446510), (167, 11104970), (257, 7216070), (290, 6394931), (298, 6223255), (334, 5552485), (514, 3608035), (745, 2489302), (835, 2220994), (1285, 1443214), (1490, 1244651), (1670, 1110497), (2570, 721607), (4321, 429190), (4843, 382930), (7453, 248830), (8642, 214595), (9686, 191465), (14906, 124415), (21605, 85838), (24215, 76586), (24883, 74530), (37265, 49766), (38293, 48430), (42919, 43210)]