4147220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2693}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 10862208

約数和(自身を除く): 6714988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2693, 5386, 10772, 13465, 18851, 26930, 29623, 37702, 53860, 59246, 75404, 94255, 118492, 148115, 188510, 207361, 296230, 377020, 414722, 592460, 829444, 1036805, 2073610, 4147220]

約数ペア:

[(1, 4147220), (2, 2073610), (4, 1036805), (5, 829444), (7, 592460), (10, 414722), (11, 377020), (14, 296230), (20, 207361), (22, 188510), (28, 148115), (35, 118492), (44, 94255), (55, 75404), (70, 59246), (77, 53860), (110, 37702), (140, 29623), (154, 26930), (220, 18851), (308, 13465), (385, 10772), (770, 5386), (1540, 2693)]