205379940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 587059200

約数和(自身を除く): 381679260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 167, 199, 206, 309, 334, 398, 412, 501, 515, 597, 618, 668, 796, 835, 995, 1002, 1030, 1194, 1236, 1545, 1670, 1990, 2004, 2060, 2388, 2505, 2985, 3090, 3340, 3980, 5010, 5970, 6180, 10020, 11940, 17201, 20497, 33233, 34402, 40994, 51603, 61491, 66466, 68804, 81988, 86005, 99699, 102485, 103206, 122982, 132932, 166165, 172010, 199398, 204970, 206412, 245964, 258015, 307455, 332330, 344020, 398796, 409940, 498495, 516030, 614910, 664660, 996990, 1032060, 1229820, 1993980, 3422999, 6845998, 10268997, 13691996, 17114995, 20537994, 34229990, 41075988, 51344985, 68459980, 102689970, 205379940]

約数ペア:

[(1, 205379940), (2, 102689970), (3, 68459980), (4, 51344985), (5, 41075988), (6, 34229990), (10, 20537994), (12, 17114995), (15, 13691996), (20, 10268997), (30, 6845998), (60, 3422999), (103, 1993980), (167, 1229820), (199, 1032060), (206, 996990), (309, 664660), (334, 614910), (398, 516030), (412, 498495), (501, 409940), (515, 398796), (597, 344020), (618, 332330), (668, 307455), (796, 258015), (835, 245964), (995, 206412), (1002, 204970), (1030, 199398), (1194, 172010), (1236, 166165), (1545, 132932), (1670, 122982), (1990, 103206), (2004, 102485), (2060, 99699), (2388, 86005), (2505, 81988), (2985, 68804), (3090, 66466), (3340, 61491), (3980, 51603), (5010, 40994), (5970, 34402), (6180, 33233), (10020, 20497), (11940, 17201)]