7969950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 21762000

約数和(自身を除く): 13792050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 199, 225, 267, 398, 445, 450, 534, 597, 801, 890, 995, 1194, 1335, 1602, 1791, 1990, 2225, 2670, 2985, 3582, 4005, 4450, 4975, 5970, 6675, 8010, 8955, 9950, 13350, 14925, 17711, 17910, 20025, 29850, 35422, 40050, 44775, 53133, 88555, 89550, 106266, 159399, 177110, 265665, 318798, 442775, 531330, 796995, 885550, 1328325, 1593990, 2656650, 3984975, 7969950]

約数ペア:

[(1, 7969950), (2, 3984975), (3, 2656650), (5, 1593990), (6, 1328325), (9, 885550), (10, 796995), (15, 531330), (18, 442775), (25, 318798), (30, 265665), (45, 177110), (50, 159399), (75, 106266), (89, 89550), (90, 88555), (150, 53133), (178, 44775), (199, 40050), (225, 35422), (267, 29850), (398, 20025), (445, 17910), (450, 17711), (534, 14925), (597, 13350), (801, 9950), (890, 8955), (995, 8010), (1194, 6675), (1335, 5970), (1602, 4975), (1791, 4450), (1990, 4005), (2225, 3582), (2670, 2985)]