208799820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{19661}}^1$

素因数の和:19735

約数の個数: 72

約数和(自身を含む): 644127120

約数和(自身を除く): 435327300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 10620, 19661, 39322, 58983, 78644, 98305, 117966, 176949, 196610, 235932, 294915, 353898, 393220, 589830, 707796, 884745, 1159999, 1179660, 1769490, 2319998, 3479997, 3538980, 4639996, 5799995, 6959994, 10439991, 11599990, 13919988, 17399985, 20879982, 23199980, 34799970, 41759964, 52199955, 69599940, 104399910, 208799820]

約数ペア:

[(1, 208799820), (2, 104399910), (3, 69599940), (4, 52199955), (5, 41759964), (6, 34799970), (9, 23199980), (10, 20879982), (12, 17399985), (15, 13919988), (18, 11599990), (20, 10439991), (30, 6959994), (36, 5799995), (45, 4639996), (59, 3538980), (60, 3479997), (90, 2319998), (118, 1769490), (177, 1179660), (180, 1159999), (236, 884745), (295, 707796), (354, 589830), (531, 393220), (590, 353898), (708, 294915), (885, 235932), (1062, 196610), (1180, 176949), (1770, 117966), (2124, 98305), (2655, 78644), (3540, 58983), (5310, 39322), (10620, 19661)]