777719820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{13001}}^1$

素因数の和:14010

約数の個数: 48

約数和(自身を含む): 2179967328

約数和(自身を除く): 1402247508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 997, 1994, 2991, 3988, 4985, 5982, 9970, 11964, 13001, 14955, 19940, 26002, 29910, 39003, 52004, 59820, 65005, 78006, 130010, 156012, 195015, 260020, 390030, 780060, 12961997, 25923994, 38885991, 51847988, 64809985, 77771982, 129619970, 155543964, 194429955, 259239940, 388859910, 777719820]

約数ペア:

[(1, 777719820), (2, 388859910), (3, 259239940), (4, 194429955), (5, 155543964), (6, 129619970), (10, 77771982), (12, 64809985), (15, 51847988), (20, 38885991), (30, 25923994), (60, 12961997), (997, 780060), (1994, 390030), (2991, 260020), (3988, 195015), (4985, 156012), (5982, 130010), (9970, 78006), (11964, 65005), (13001, 59820), (14955, 52004), (19940, 39003), (26002, 29910)]