1990201740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{12743}}^1$

素因数の和:12911

約数の個数: 96

約数和(自身を含む): 5909137920

約数和(自身を除く): 3918936180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 137, 190, 228, 274, 285, 380, 411, 548, 570, 685, 822, 1140, 1370, 1644, 2055, 2603, 2740, 4110, 5206, 7809, 8220, 10412, 12743, 13015, 15618, 25486, 26030, 31236, 38229, 39045, 50972, 52060, 63715, 76458, 78090, 127430, 152916, 156180, 191145, 242117, 254860, 382290, 484234, 726351, 764580, 968468, 1210585, 1452702, 1745791, 2421170, 2905404, 3491582, 3631755, 4842340, 5237373, 6983164, 7263510, 8728955, 10474746, 14527020, 17457910, 20949492, 26186865, 33170029, 34915820, 52373730, 66340058, 99510087, 104747460, 132680116, 165850145, 199020174, 331700290, 398040348, 497550435, 663400580, 995100870, 1990201740]

約数ペア:

[(1, 1990201740), (2, 995100870), (3, 663400580), (4, 497550435), (5, 398040348), (6, 331700290), (10, 199020174), (12, 165850145), (15, 132680116), (19, 104747460), (20, 99510087), (30, 66340058), (38, 52373730), (57, 34915820), (60, 33170029), (76, 26186865), (95, 20949492), (114, 17457910), (137, 14527020), (190, 10474746), (228, 8728955), (274, 7263510), (285, 6983164), (380, 5237373), (411, 4842340), (548, 3631755), (570, 3491582), (685, 2905404), (822, 2421170), (1140, 1745791), (1370, 1452702), (1644, 1210585), (2055, 968468), (2603, 764580), (2740, 726351), (4110, 484234), (5206, 382290), (7809, 254860), (8220, 242117), (10412, 191145), (12743, 156180), (13015, 152916), (15618, 127430), (25486, 78090), (26030, 76458), (31236, 63715), (38229, 52060), (39045, 50972)]