30940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:46

約数の個数: 48

約数和(自身を含む): 84672

約数和(自身を除く): 53732

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 3094, 4420, 6188, 7735, 15470, 30940]

約数ペア:

[(1, 30940), (2, 15470), (4, 7735), (5, 6188), (7, 4420), (10, 3094), (13, 2380), (14, 2210), (17, 1820), (20, 1547), (26, 1190), (28, 1105), (34, 910), (35, 884), (52, 595), (65, 476), (68, 455), (70, 442), (85, 364), (91, 340), (119, 260), (130, 238), (140, 221), (170, 182)]