139271470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 278691840

約数和(自身を除く): 139420370

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 79, 130, 142, 158, 191, 355, 382, 395, 710, 790, 923, 955, 1027, 1846, 1910, 2054, 2483, 4615, 4966, 5135, 5609, 9230, 10270, 11218, 12415, 13561, 15089, 24830, 27122, 28045, 30178, 56090, 67805, 72917, 75445, 135610, 145834, 150890, 176293, 196157, 352586, 364585, 392314, 729170, 881465, 980785, 1071319, 1762930, 1961570, 2142638, 5356595, 10713190, 13927147, 27854294, 69635735, 139271470]

約数ペア:

[(1, 139271470), (2, 69635735), (5, 27854294), (10, 13927147), (13, 10713190), (26, 5356595), (65, 2142638), (71, 1961570), (79, 1762930), (130, 1071319), (142, 980785), (158, 881465), (191, 729170), (355, 392314), (382, 364585), (395, 352586), (710, 196157), (790, 176293), (923, 150890), (955, 145834), (1027, 135610), (1846, 75445), (1910, 72917), (2054, 67805), (2483, 56090), (4615, 30178), (4966, 28045), (5135, 27122), (5609, 24830), (9230, 15089), (10270, 13561), (11218, 12415)]