1554822820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 3578400000

約数和(自身を除く): 2023577180

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 199, 290, 380, 398, 551, 580, 709, 796, 995, 1102, 1418, 1990, 2204, 2755, 2836, 3545, 3781, 3980, 5510, 5771, 7090, 7562, 11020, 11542, 13471, 14180, 15124, 18905, 20561, 23084, 26942, 28855, 37810, 41122, 53884, 57710, 67355, 75620, 82244, 102805, 109649, 115420, 134710, 141091, 205610, 219298, 269420, 282182, 390659, 411220, 438596, 548245, 564364, 705455, 781318, 1096490, 1410910, 1562636, 1953295, 2192980, 2680729, 2821820, 3906590, 4091639, 5361458, 7813180, 8183278, 10722916, 13403645, 16366556, 20458195, 26807290, 40916390, 53614580, 77741141, 81832780, 155482282, 310964564, 388705705, 777411410, 1554822820]

約数ペア:

[(1, 1554822820), (2, 777411410), (4, 388705705), (5, 310964564), (10, 155482282), (19, 81832780), (20, 77741141), (29, 53614580), (38, 40916390), (58, 26807290), (76, 20458195), (95, 16366556), (116, 13403645), (145, 10722916), (190, 8183278), (199, 7813180), (290, 5361458), (380, 4091639), (398, 3906590), (551, 2821820), (580, 2680729), (709, 2192980), (796, 1953295), (995, 1562636), (1102, 1410910), (1418, 1096490), (1990, 781318), (2204, 705455), (2755, 564364), (2836, 548245), (3545, 438596), (3781, 411220), (3980, 390659), (5510, 282182), (5771, 269420), (7090, 219298), (7562, 205610), (11020, 141091), (11542, 134710), (13471, 115420), (14180, 109649), (15124, 102805), (18905, 82244), (20561, 75620), (23084, 67355), (26942, 57710), (28855, 53884), (37810, 41122)]