219989970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15569}}^1$

素因数の和:15739

約数の個数: 48

約数和(自身を含む): 575654040

約数和(自身を除く): 355664070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4710, 7065, 14130, 15569, 31138, 46707, 77845, 93414, 140121, 155690, 233535, 280242, 467070, 700605, 1401210, 2444333, 4888666, 7332999, 12221665, 14665998, 21998997, 24443330, 36664995, 43997994, 73329990, 109994985, 219989970]

約数ペア:

[(1, 219989970), (2, 109994985), (3, 73329990), (5, 43997994), (6, 36664995), (9, 24443330), (10, 21998997), (15, 14665998), (18, 12221665), (30, 7332999), (45, 4888666), (90, 2444333), (157, 1401210), (314, 700605), (471, 467070), (785, 280242), (942, 233535), (1413, 155690), (1570, 140121), (2355, 93414), (2826, 77845), (4710, 46707), (7065, 31138), (14130, 15569)]