221363820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{409933}}^1$

素因数の和:409951

約数の個数: 48

約数和(自身を含む): 688689120

約数和(自身を除く): 467325300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 409933, 819866, 1229799, 1639732, 2049665, 2459598, 3689397, 4099330, 4919196, 6148995, 7378794, 8198660, 11068191, 12297990, 14757588, 18446985, 22136382, 24595980, 36893970, 44272764, 55340955, 73787940, 110681910, 221363820]

約数ペア:

[(1, 221363820), (2, 110681910), (3, 73787940), (4, 55340955), (5, 44272764), (6, 36893970), (9, 24595980), (10, 22136382), (12, 18446985), (15, 14757588), (18, 12297990), (20, 11068191), (27, 8198660), (30, 7378794), (36, 6148995), (45, 4919196), (54, 4099330), (60, 3689397), (90, 2459598), (108, 2049665), (135, 1639732), (180, 1229799), (270, 819866), (540, 409933)]