61961900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 180821760

約数和(自身を除く): 118859860

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 455, 550, 572, 619, 650, 700, 715, 770, 910, 1001, 1100, 1238, 1300, 1430, 1540, 1820, 1925, 2002, 2275, 2476, 2860, 3095, 3575, 3850, 4004, 4333, 4550, 5005, 6190, 6809, 7150, 7700, 8047, 8666, 9100, 10010, 12380, 13618, 14300, 15475, 16094, 17332, 20020, 21665, 25025, 27236, 30950, 32188, 34045, 40235, 43330, 47663, 50050, 56329, 61900, 68090, 80470, 86660, 88517, 95326, 100100, 108325, 112658, 136180, 160940, 170225, 177034, 190652, 201175, 216650, 225316, 238315, 281645, 340450, 354068, 402350, 433300, 442585, 476630, 563290, 619619, 680900, 804700, 885170, 953260, 1126580, 1191575, 1239238, 1408225, 1770340, 2212925, 2383150, 2478476, 2816450, 3098095, 4425850, 4766300, 5632900, 6196190, 8851700, 12392380, 15490475, 30980950, 61961900]

約数ペア:

[(1, 61961900), (2, 30980950), (4, 15490475), (5, 12392380), (7, 8851700), (10, 6196190), (11, 5632900), (13, 4766300), (14, 4425850), (20, 3098095), (22, 2816450), (25, 2478476), (26, 2383150), (28, 2212925), (35, 1770340), (44, 1408225), (50, 1239238), (52, 1191575), (55, 1126580), (65, 953260), (70, 885170), (77, 804700), (91, 680900), (100, 619619), (110, 563290), (130, 476630), (140, 442585), (143, 433300), (154, 402350), (175, 354068), (182, 340450), (220, 281645), (260, 238315), (275, 225316), (286, 216650), (308, 201175), (325, 190652), (350, 177034), (364, 170225), (385, 160940), (455, 136180), (550, 112658), (572, 108325), (619, 100100), (650, 95326), (700, 88517), (715, 86660), (770, 80470), (910, 68090), (1001, 61900), (1100, 56329), (1238, 50050), (1300, 47663), (1430, 43330), (1540, 40235), (1820, 34045), (1925, 32188), (2002, 30950), (2275, 27236), (2476, 25025), (2860, 21665), (3095, 20020), (3575, 17332), (3850, 16094), (4004, 15475), (4333, 14300), (4550, 13618), (5005, 12380), (6190, 10010), (6809, 9100), (7150, 8666), (7700, 8047)]