195749820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 682089408

約数和(自身を除く): 486339588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 337, 420, 461, 630, 674, 922, 1011, 1260, 1348, 1383, 1685, 1844, 2022, 2305, 2359, 2766, 3033, 3227, 3370, 4044, 4149, 4610, 4718, 5055, 5532, 6066, 6454, 6740, 6915, 7077, 8298, 9220, 9436, 9681, 10110, 11795, 12132, 12908, 13830, 14154, 15165, 16135, 16596, 19362, 20220, 20745, 21231, 23590, 27660, 28308, 29043, 30330, 32270, 35385, 38724, 41490, 42462, 47180, 48405, 58086, 60660, 64540, 70770, 82980, 84924, 96810, 106155, 116172, 141540, 145215, 155357, 193620, 212310, 290430, 310714, 424620, 466071, 580860, 621428, 776785, 932142, 1087499, 1398213, 1553570, 1864284, 2174998, 2330355, 2796426, 3107140, 3262497, 4349996, 4660710, 5437495, 5592852, 6524994, 6991065, 9321420, 9787491, 10874990, 13049988, 13982130, 16312485, 19574982, 21749980, 27964260, 32624970, 39149964, 48937455, 65249940, 97874910, 195749820]

約数ペア:

[(1, 195749820), (2, 97874910), (3, 65249940), (4, 48937455), (5, 39149964), (6, 32624970), (7, 27964260), (9, 21749980), (10, 19574982), (12, 16312485), (14, 13982130), (15, 13049988), (18, 10874990), (20, 9787491), (21, 9321420), (28, 6991065), (30, 6524994), (35, 5592852), (36, 5437495), (42, 4660710), (45, 4349996), (60, 3262497), (63, 3107140), (70, 2796426), (84, 2330355), (90, 2174998), (105, 1864284), (126, 1553570), (140, 1398213), (180, 1087499), (210, 932142), (252, 776785), (315, 621428), (337, 580860), (420, 466071), (461, 424620), (630, 310714), (674, 290430), (922, 212310), (1011, 193620), (1260, 155357), (1348, 145215), (1383, 141540), (1685, 116172), (1844, 106155), (2022, 96810), (2305, 84924), (2359, 82980), (2766, 70770), (3033, 64540), (3227, 60660), (3370, 58086), (4044, 48405), (4149, 47180), (4610, 42462), (4718, 41490), (5055, 38724), (5532, 35385), (6066, 32270), (6454, 30330), (6740, 29043), (6915, 28308), (7077, 27660), (8298, 23590), (9220, 21231), (9436, 20745), (9681, 20220), (10110, 19362), (11795, 16596), (12132, 16135), (12908, 15165), (13830, 14154)]