2168678440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{16189}}^1$

素因数の和:16414

約数の個数: 64

約数和(自身を含む): 5193104400

約数和(自身を除く): 3024425960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 680, 788, 985, 1576, 1970, 3349, 3940, 6698, 7880, 13396, 16189, 16745, 26792, 32378, 33490, 64756, 66980, 80945, 129512, 133960, 161890, 275213, 323780, 550426, 647560, 1100852, 1376065, 2201704, 2752130, 3189233, 5504260, 6378466, 11008520, 12756932, 15946165, 25513864, 31892330, 54216961, 63784660, 108433922, 127569320, 216867844, 271084805, 433735688, 542169610, 1084339220, 2168678440]

約数ペア:

[(1, 2168678440), (2, 1084339220), (4, 542169610), (5, 433735688), (8, 271084805), (10, 216867844), (17, 127569320), (20, 108433922), (34, 63784660), (40, 54216961), (68, 31892330), (85, 25513864), (136, 15946165), (170, 12756932), (197, 11008520), (340, 6378466), (394, 5504260), (680, 3189233), (788, 2752130), (985, 2201704), (1576, 1376065), (1970, 1100852), (3349, 647560), (3940, 550426), (6698, 323780), (7880, 275213), (13396, 161890), (16189, 133960), (16745, 129512), (26792, 80945), (32378, 66980), (33490, 64756)]