278380305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 585911040

約数和(自身を除く): 307530735

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 193, 241, 285, 315, 399, 579, 665, 723, 855, 965, 1197, 1205, 1351, 1687, 1737, 1995, 2169, 2895, 3615, 3667, 4053, 4579, 5061, 5985, 6755, 8435, 8685, 10845, 11001, 12159, 13737, 15183, 18335, 20265, 22895, 25305, 25669, 32053, 33003, 41211, 46513, 55005, 60795, 68685, 75915, 77007, 96159, 128345, 139539, 160265, 165015, 206055, 231021, 232565, 288477, 325591, 385035, 418617, 480795, 697695, 883747, 976773, 1155105, 1442385, 1627955, 2093085, 2651241, 2930319, 4418735, 4883865, 6186229, 7953723, 13256205, 14651595, 18558687, 30931145, 39768615, 55676061, 92793435, 278380305]

約数ペア:

[(1, 278380305), (3, 92793435), (5, 55676061), (7, 39768615), (9, 30931145), (15, 18558687), (19, 14651595), (21, 13256205), (35, 7953723), (45, 6186229), (57, 4883865), (63, 4418735), (95, 2930319), (105, 2651241), (133, 2093085), (171, 1627955), (193, 1442385), (241, 1155105), (285, 976773), (315, 883747), (399, 697695), (579, 480795), (665, 418617), (723, 385035), (855, 325591), (965, 288477), (1197, 232565), (1205, 231021), (1351, 206055), (1687, 165015), (1737, 160265), (1995, 139539), (2169, 128345), (2895, 96159), (3615, 77007), (3667, 75915), (4053, 68685), (4579, 60795), (5061, 55005), (5985, 46513), (6755, 41211), (8435, 33003), (8685, 32053), (10845, 25669), (11001, 25305), (12159, 22895), (13737, 20265), (15183, 18335)]