2780451070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{472063}}^1$

素因数の和:472120

約数の個数: 32

約数和(自身を含む): 5438177280

約数和(自身を除く): 2657726210

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 472063, 944126, 2360315, 4720630, 8969197, 14633953, 17938394, 29267906, 44845985, 73169765, 89691970, 146339530, 278045107, 556090214, 1390225535, 2780451070]

約数ペア:

[(1, 2780451070), (2, 1390225535), (5, 556090214), (10, 278045107), (19, 146339530), (31, 89691970), (38, 73169765), (62, 44845985), (95, 29267906), (155, 17938394), (190, 14633953), (310, 8969197), (589, 4720630), (1178, 2360315), (2945, 944126), (5890, 472063)]