719910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 1974960

約数和(自身を除く): 1255050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 421, 570, 842, 855, 1263, 1710, 2105, 2526, 3789, 4210, 6315, 7578, 7999, 12630, 15998, 18945, 23997, 37890, 39995, 47994, 71991, 79990, 119985, 143982, 239970, 359955, 719910]

約数ペア:

[(1, 719910), (2, 359955), (3, 239970), (5, 143982), (6, 119985), (9, 79990), (10, 71991), (15, 47994), (18, 39995), (19, 37890), (30, 23997), (38, 18945), (45, 15998), (57, 12630), (90, 7999), (95, 7578), (114, 6315), (171, 4210), (190, 3789), (285, 2526), (342, 2105), (421, 1710), (570, 1263), (842, 855)]