86974940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 202624800

約数和(自身を除く): 115649860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 199, 205, 260, 398, 410, 533, 796, 820, 995, 1066, 1681, 1990, 2132, 2587, 2665, 3362, 3980, 5174, 5330, 6724, 8159, 8405, 10348, 10660, 12935, 16318, 16810, 21853, 25870, 32636, 33620, 40795, 43706, 51740, 81590, 87412, 106067, 109265, 163180, 212134, 218530, 334519, 424268, 437060, 530335, 669038, 1060670, 1338076, 1672595, 2121340, 3345190, 4348747, 6690380, 8697494, 17394988, 21743735, 43487470, 86974940]

約数ペア:

[(1, 86974940), (2, 43487470), (4, 21743735), (5, 17394988), (10, 8697494), (13, 6690380), (20, 4348747), (26, 3345190), (41, 2121340), (52, 1672595), (65, 1338076), (82, 1060670), (130, 669038), (164, 530335), (199, 437060), (205, 424268), (260, 334519), (398, 218530), (410, 212134), (533, 163180), (796, 109265), (820, 106067), (995, 87412), (1066, 81590), (1681, 51740), (1990, 43706), (2132, 40795), (2587, 33620), (2665, 32636), (3362, 25870), (3980, 21853), (5174, 16810), (5330, 16318), (6724, 12935), (8159, 10660), (8405, 10348)]