73722140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 158397120

約数和(自身を除く): 84674980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 193, 269, 284, 355, 386, 538, 710, 772, 965, 1076, 1345, 1420, 1930, 2690, 3860, 5380, 13703, 19099, 27406, 38198, 51917, 54812, 68515, 76396, 95495, 103834, 137030, 190990, 207668, 259585, 274060, 381980, 519170, 1038340, 3686107, 7372214, 14744428, 18430535, 36861070, 73722140]

約数ペア:

[(1, 73722140), (2, 36861070), (4, 18430535), (5, 14744428), (10, 7372214), (20, 3686107), (71, 1038340), (142, 519170), (193, 381980), (269, 274060), (284, 259585), (355, 207668), (386, 190990), (538, 137030), (710, 103834), (772, 95495), (965, 76396), (1076, 68515), (1345, 54812), (1420, 51917), (1930, 38198), (2690, 27406), (3860, 19099), (5380, 13703)]