7051720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 17418240

約数和(自身を除く): 10366520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 191, 260, 284, 355, 382, 520, 568, 710, 764, 923, 955, 1420, 1528, 1846, 1910, 2483, 2840, 3692, 3820, 4615, 4966, 7384, 7640, 9230, 9932, 12415, 13561, 18460, 19864, 24830, 27122, 36920, 49660, 54244, 67805, 99320, 108488, 135610, 176293, 271220, 352586, 542440, 705172, 881465, 1410344, 1762930, 3525860, 7051720]

約数ペア:

[(1, 7051720), (2, 3525860), (4, 1762930), (5, 1410344), (8, 881465), (10, 705172), (13, 542440), (20, 352586), (26, 271220), (40, 176293), (52, 135610), (65, 108488), (71, 99320), (104, 67805), (130, 54244), (142, 49660), (191, 36920), (260, 27122), (284, 24830), (355, 19864), (382, 18460), (520, 13561), (568, 12415), (710, 9932), (764, 9230), (923, 7640), (955, 7384), (1420, 4966), (1528, 4615), (1846, 3820), (1910, 3692), (2483, 2840)]