386931720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{460633}}^1$

素因数の和:460654

約数の個数: 64

約数和(自身を含む): 1326625920

約数和(自身を除く): 939694200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 460633, 921266, 1381899, 1842532, 2303165, 2763798, 3224431, 3685064, 4606330, 5527596, 6448862, 6909495, 9212660, 9673293, 11055192, 12897724, 13818990, 16122155, 18425320, 19346586, 25795448, 27637980, 32244310, 38693172, 48366465, 55275960, 64488620, 77386344, 96732930, 128977240, 193465860, 386931720]

約数ペア:

[(1, 386931720), (2, 193465860), (3, 128977240), (4, 96732930), (5, 77386344), (6, 64488620), (7, 55275960), (8, 48366465), (10, 38693172), (12, 32244310), (14, 27637980), (15, 25795448), (20, 19346586), (21, 18425320), (24, 16122155), (28, 13818990), (30, 12897724), (35, 11055192), (40, 9673293), (42, 9212660), (56, 6909495), (60, 6448862), (70, 5527596), (84, 4606330), (105, 3685064), (120, 3224431), (140, 2763798), (168, 2303165), (210, 1842532), (280, 1381899), (420, 921266), (840, 460633)]