55798120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{571}}^1$

素因数の和:938

約数の個数: 64

約数和(自身を含む): 144144000

約数和(自身を除く): 88345880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 571, 698, 1142, 1396, 1745, 2284, 2443, 2792, 2855, 3490, 3997, 4568, 4886, 5710, 6980, 7994, 9772, 11420, 12215, 13960, 15988, 19544, 19985, 22840, 24430, 31976, 39970, 48860, 79940, 97720, 159880, 199279, 398558, 797116, 996395, 1394953, 1594232, 1992790, 2789906, 3985580, 5579812, 6974765, 7971160, 11159624, 13949530, 27899060, 55798120]

約数ペア:

[(1, 55798120), (2, 27899060), (4, 13949530), (5, 11159624), (7, 7971160), (8, 6974765), (10, 5579812), (14, 3985580), (20, 2789906), (28, 1992790), (35, 1594232), (40, 1394953), (56, 996395), (70, 797116), (140, 398558), (280, 199279), (349, 159880), (571, 97720), (698, 79940), (1142, 48860), (1396, 39970), (1745, 31976), (2284, 24430), (2443, 22840), (2792, 19985), (2855, 19544), (3490, 15988), (3997, 13960), (4568, 12215), (4886, 11420), (5710, 9772), (6980, 7994)]