1282249720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{212293}}^1$

素因数の和:212455

約数の個数: 32

約数和(自身を含む): 2904181920

約数和(自身を除く): 1621932200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 212293, 424586, 849172, 1061465, 1698344, 2122930, 4245860, 8491720, 32056243, 64112486, 128224972, 160281215, 256449944, 320562430, 641124860, 1282249720]

約数ペア:

[(1, 1282249720), (2, 641124860), (4, 320562430), (5, 256449944), (8, 160281215), (10, 128224972), (20, 64112486), (40, 32056243), (151, 8491720), (302, 4245860), (604, 2122930), (755, 1698344), (1208, 1061465), (1510, 849172), (3020, 424586), (6040, 212293)]