480804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{312211}}^1$

素因数の和:312238

約数の個数: 48

約数和(自身を含む): 1258838784

約数和(自身を除く): 778033844

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, 312211, 624422, 1248844, 1561055, 2185477, 3122110, 3434321, 4370954, 6244220, 6868642, 8741908, 10927385, 13737284, 17171605, 21854770, 24040247, 34343210, 43709540, 48080494, 68686420, 96160988, 120201235, 240402470, 480804940]

約数ペア:

[(1, 480804940), (2, 240402470), (4, 120201235), (5, 96160988), (7, 68686420), (10, 48080494), (11, 43709540), (14, 34343210), (20, 24040247), (22, 21854770), (28, 17171605), (35, 13737284), (44, 10927385), (55, 8741908), (70, 6868642), (77, 6244220), (110, 4370954), (140, 3434321), (154, 3122110), (220, 2185477), (308, 1561055), (385, 1248844), (770, 624422), (1540, 312211)]