78021190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 156764160

約数和(自身を除く): 78742970

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 79, 107, 130, 142, 158, 214, 355, 395, 535, 710, 790, 923, 1027, 1070, 1391, 1846, 2054, 2782, 4615, 5135, 5609, 6955, 7597, 8453, 9230, 10270, 11218, 13910, 15194, 16906, 28045, 37985, 42265, 56090, 72917, 75970, 84530, 98761, 109889, 145834, 197522, 219778, 364585, 493805, 549445, 600163, 729170, 987610, 1098890, 1200326, 3000815, 6001630, 7802119, 15604238, 39010595, 78021190]

約数ペア:

[(1, 78021190), (2, 39010595), (5, 15604238), (10, 7802119), (13, 6001630), (26, 3000815), (65, 1200326), (71, 1098890), (79, 987610), (107, 729170), (130, 600163), (142, 549445), (158, 493805), (214, 364585), (355, 219778), (395, 197522), (535, 145834), (710, 109889), (790, 98761), (923, 84530), (1027, 75970), (1070, 72917), (1391, 56090), (1846, 42265), (2054, 37985), (2782, 28045), (4615, 16906), (5135, 15194), (5609, 13910), (6955, 11218), (7597, 10270), (8453, 9230)]