56777890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 117411840

約数和(自身を除く): 60633950

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 127, 130, 181, 190, 247, 254, 362, 494, 635, 905, 1235, 1270, 1651, 1810, 2353, 2413, 2470, 3302, 3439, 4706, 4826, 6878, 8255, 11765, 12065, 16510, 17195, 22987, 23530, 24130, 31369, 34390, 44707, 45974, 62738, 89414, 114935, 156845, 223535, 229870, 298831, 313690, 436753, 447070, 597662, 873506, 1494155, 2183765, 2988310, 4367530, 5677789, 11355578, 28388945, 56777890]

約数ペア:

[(1, 56777890), (2, 28388945), (5, 11355578), (10, 5677789), (13, 4367530), (19, 2988310), (26, 2183765), (38, 1494155), (65, 873506), (95, 597662), (127, 447070), (130, 436753), (181, 313690), (190, 298831), (247, 229870), (254, 223535), (362, 156845), (494, 114935), (635, 89414), (905, 62738), (1235, 45974), (1270, 44707), (1651, 34390), (1810, 31369), (2353, 24130), (2413, 23530), (2470, 22987), (3302, 17195), (3439, 16510), (4706, 12065), (4826, 11765), (6878, 8255)]