286071940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^2$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 750730176

約数和(自身を除く): 464658236

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, 431, 770, 862, 1540, 1724, 2155, 3017, 4310, 4741, 6034, 8620, 9482, 12068, 15085, 18964, 23705, 30170, 33187, 47410, 60340, 66374, 94820, 132748, 165935, 185761, 331870, 371522, 663740, 743044, 928805, 1300327, 1857610, 2043371, 2600654, 3715220, 4086742, 5201308, 6501635, 8173484, 10216855, 13003270, 14303597, 20433710, 26006540, 28607194, 40867420, 57214388, 71517985, 143035970, 286071940]

約数ペア:

[(1, 286071940), (2, 143035970), (4, 71517985), (5, 57214388), (7, 40867420), (10, 28607194), (11, 26006540), (14, 20433710), (20, 14303597), (22, 13003270), (28, 10216855), (35, 8173484), (44, 6501635), (55, 5201308), (70, 4086742), (77, 3715220), (110, 2600654), (140, 2043371), (154, 1857610), (220, 1300327), (308, 928805), (385, 743044), (431, 663740), (770, 371522), (862, 331870), (1540, 185761), (1724, 165935), (2155, 132748), (3017, 94820), (4310, 66374), (4741, 60340), (6034, 47410), (8620, 33187), (9482, 30170), (12068, 23705), (15085, 18964)]