156908920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3761}}^1$

素因数の和:3928

約数の個数: 64

約数和(自身を含む): 406296000

約数和(自身を除く): 249387080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 3761, 4172, 5215, 5960, 7522, 8344, 10430, 15044, 18805, 20860, 26327, 30088, 37610, 41720, 52654, 75220, 105308, 131635, 150440, 210616, 263270, 526540, 560389, 1053080, 1120778, 2241556, 2801945, 3922723, 4483112, 5603890, 7845446, 11207780, 15690892, 19613615, 22415560, 31381784, 39227230, 78454460, 156908920]

約数ペア:

[(1, 156908920), (2, 78454460), (4, 39227230), (5, 31381784), (7, 22415560), (8, 19613615), (10, 15690892), (14, 11207780), (20, 7845446), (28, 5603890), (35, 4483112), (40, 3922723), (56, 2801945), (70, 2241556), (140, 1120778), (149, 1053080), (280, 560389), (298, 526540), (596, 263270), (745, 210616), (1043, 150440), (1192, 131635), (1490, 105308), (2086, 75220), (2980, 52654), (3761, 41720), (4172, 37610), (5215, 30088), (5960, 26327), (7522, 20860), (8344, 18805), (10430, 15044)]