490996870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{23459}}^1$

素因数の和:23509

約数の個数: 64

約数和(自身を含む): 1135088640

約数和(自身を除く): 644091770

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 26, 35, 46, 65, 70, 91, 115, 130, 161, 182, 230, 299, 322, 455, 598, 805, 910, 1495, 1610, 2093, 2990, 4186, 10465, 20930, 23459, 46918, 117295, 164213, 234590, 304967, 328426, 539557, 609934, 821065, 1079114, 1524835, 1642130, 2134769, 2697785, 3049670, 3776899, 4269538, 5395570, 7014241, 7553798, 10673845, 14028482, 18884495, 21347690, 35071205, 37768990, 49099687, 70142410, 98199374, 245498435, 490996870]

約数ペア:

[(1, 490996870), (2, 245498435), (5, 98199374), (7, 70142410), (10, 49099687), (13, 37768990), (14, 35071205), (23, 21347690), (26, 18884495), (35, 14028482), (46, 10673845), (65, 7553798), (70, 7014241), (91, 5395570), (115, 4269538), (130, 3776899), (161, 3049670), (182, 2697785), (230, 2134769), (299, 1642130), (322, 1524835), (455, 1079114), (598, 821065), (805, 609934), (910, 539557), (1495, 328426), (1610, 304967), (2093, 234590), (2990, 164213), (4186, 117295), (10465, 46918), (20930, 23459)]